Patients with ischemic and nonischemic cardiomyopathy are at increased risk for sudden cardiac death, and implantable cardioverter-defibrillators (ICDs) reduce this risk. The monitor shows a regular wide-complex QRS at a rate of 180/min. Klicka i bilden för att zooma. The normal ST segment is flat and isoelectric. 06 – 0. LITFL ECG library is a free educational resource covering over 100 ECG topics relevant to Emergency Medicine and Critical Care. Menurut E-Modul IPA Fisika, diameter Neptunus adalah 49. At that time you simultaneously sold a 60-day QRS 80 call for $3. Crossref Medline Google Scholar; 26. Speaker cables are important too. Look For. The QRS complexes are usually greater than 120 ms (3 small boxes in duration). As the ventricular depolarisation occurs. Quintus wears a set of merchant. Complete Heart Block with Isorhythmic AV Dissociation (long rhythm strip): Atrial rate ~ 85 bpm; Ventricular rate ~ 42bpm; There is a junctional escape rhythm; As the ventricular rate is approximately half the atrial rate, this rhythm at first glance appears to be second-degree AV block with 2:1 conduction; However, on closer inspection, the PR. CDISC develops SDTMIG (tabulation) and ADaMIG (analysis) QRS supplements that provide information on how to structure the data in a standard format for public domain and copyright-approved instruments. Speaker cables are important too. Both the digital signal processing and artificial intelligence-based techniques have been tested rigorously in. Cuối cùng đưa ra kết quả điện tâm đồ. Left Axis Deviation (LAD):. I saw a young women of 150cm height and 45kg weight with. Produkter på bilden: Asus EA-N66, Asus RT-AC66U, Bladelius Embla Classic, Burmester 956 MK2, Canal Digital HD PVR 5720SX, Nintendo Wii U Premium 2012 32GB, QRS Neptunus, Samsung UE65F8005, Synology DiskStation DS214play, Transparent Cable MusicWave Plus 2Banana - 2Banana (par) 2,4m. 4 ms, sensed amplitude of 5. Question 10. 0 V, pulse width of 0. More than 30 times as far from the Sun as Earth, Neptune. Upon multivariable Cox. P waves represent atrial depolarisation. The rule is: if the wave immediately after the P wave is an upward deflection, it is an R wave; if it is a downward deflection, it is a Q wave:I love the way that Holland America has made boarding day as stress free as possible. QRS wave complex. The sky’s were ominously overcast over the city of Hobart as we prepared our northward sail toward “The Great Small Cities of the World”. Sinus. First time sailors (polywogs), were led by seasoned sailors (shellbacks) in events which. fusion beats are therefore common. 04-0. There is a left axis deivation with rS complexes in the inferior leads and qR complexes in the high lateral leads. The previous slides presented the five-steps of rhythm analysis. Wolff-Parkinson-White syndrome (WPW) is the commonest form of ventricular pre-excitation. Postad 14 april 2012 - 21:59. Synchronized cardioversion is a treatment technique that uses a sensor to deliver a shock that is synchronized with a peak in the QRS complex. If the axis is more positive than 90° it is referred to as right axis deviation. Each atrial activation leads to a ventricular. Depolarizations are represented by the P-wave (atrial lead) and QRS complex (ventricular lead). Assess QRS duration, amplitudes, Q-waves, R-wave progression and axis. Atrioventricular conduction abnormalities ECG nomenclature. The mECG_QRS and fECG_QRS variables contain QRS peak locations of the maternal and fetal ECG signals and can be used to validate the efficacy of a source separation algorithm to identify correct heartbeat locations in time. If the electrical axis is -30° to -45, probable LAFB may be diagnosed. List ways to figure heart rate. 75. The baseline (isoelectric line between QRS complexes) is characterized by either fibrillatory waves (f-waves) or just minute oscillations. Round your answer to the nearest whole number. This rapid and irregular electrical activity renders the ventricles unable to contract in a synchronised manner, resulting in immediate loss of cardiac output. The strip should be made up of 30 large squares. The large QRS complex represents the depolarization of the ventricles, which requires a much stronger electrical signal because of the larger size of the ventricular cardiac muscle. It is characterised by the presence of an accessory pathway between the atria and the ventricles which provides an alternative route for ventricular activation. QRSd is the duration of the QRS interval. Low voltage is defined as a QRS amplitude of 5 mm (0. In electrocardiography, left axis deviation is a condition where the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°. Essentially the impulse is held longer & longer in the “A-V” circuit until finally it is held so long that the energy dissipates, and the ventricles are not depolarized and therefore no “QRS” will be generated. Study with Quizlet and memorize flashcards containing terms like Sinus Bradycarida, Sinus Rhythm, Sinus Tachycardia. Sign in anonymously. Atrial fibrillation (AF) is the most common sustained heart rhythm disturbance worldwide, affecting an estimated 2. Tomodachi Life codes QRs Mii – Harry Potter. 28% (P < 0. ST segment deviation (elevation, depression) is measured as the height difference (in millimeters) between the J point and the baseline (the PR segment). - postad i Högtalare: Hej! Har nu bestämt mig för att köpa ett par QRS högtalare. Eleganta och mycket välbyggda. Audiostatic is very claear and bright - you can listen every micro detail in space. Rhythm is regular. These are usually narrow complex tachycardias with QRS width being less than 3 mm or 120 milliseconds on the. This rhythm is typically associated with pericardial effusion via the “swinging heart” from the fluid surrounding the heart. PR = beginning of P to beginning of QRS; P wave normal is 2-3 little squares (0. A premature atrial contraction occurs when an ectopic focus in the atria discharges before the next sinus impulse. delivering the spike to depolarize the myocardium), or sensing [1]. 422 mS. A “normal” EKG is one that shows what is known as sinus rhythm. The transition from ST segment to T-wave is smooth, and not abrupt. Kardia Advanced Determination “Sinus Rhythm with Wide QRS” indicates sinus rhythm with a QRS, or portion of your ECG, that is longer than expected. Bradyarrhythmias include sinus node dysfunction and atrioventricular block, and are characterized by a resting heart rate 60/minutes. First-degree heart block. Normal duration of ECG segments: PR interval: 0. A rapid heart rate will significantly reduce the time which the ventricles have to fill. A QS or QR/QRS complex with Q wave duration ≥40 ms in leads V 1 –V 2 as the only abnormality was more common in the absence than in the presence of an MI in both Group 1 and Group 2 cases, but this reached statistical significance only in Group 2 and in the Group 1 subjects without CHD. This can be due to an anatomical or functional impairment in. %PDF-1. Pg. There is an abnormal P wave, usually followed by a normal QRS complex. Yes,. Electrolyte imbalances C. 2002Confirm details. QRS complex of leads I and aVF because these are the leads located at 0° and 90°, respectively. QRS area was the only independent electrocardiographic determinant associated with the primary end point; hazard ratio, 0. An electrocardiogram is also known as an ECG; the Dutch and German version of the word, elektrokardiogram, is shortened to EKG. Never not use silver. Skyrim:Quintus Navale. Delayed overall conduction time to the LV extends the QRS duration to ≥ 120 ms. Tachycardia refers to heart rates over 100 beats per minute (100-250 bpm). Would the heart still pump blood to the aorta and the pulmonary trunk? A. For instance note in the EKG segment below that there is a P-wave before each QRS (highlighted in blue) and that it is pointing up as is the QRS segment. Low voltage is defined as a QRS amplitude of 5 mm (0. Stress D. 0 mmol/L). The rhythm is best analyzed by looking at a rhythm strip. c. Treatment is. 1 second) or after the QRS complex. The following description is taken from our excursion brochure. (See "Modes of cardiac pacing: Nomenclature and selection". These may have abnormalities in people with A-fib. QRS Complex | Learn the Heart - Healionarrow or wide QRS complexes, depending on its origin. R-R regularity: Regularly irregular (the heart speeds up and then slows down gradually in a regular rhythm). b. In the remaining 25% of cases, the. QRS Complex. Narrowing the QRS to normal for the patient or less than 140ms (toxicologists have varied opinions but between 120-140ms is safer than too much sodium bicarbonate) Maximum Sodium of 155 mmol/L. Storebror till Saturnus. Any wide QRS complex tachycardia (QRS ≥ 0. Figure 3 - Determining the Rhythm Source Also look at the quality and quantity of P-waves before each QRS. The P-Wave, located at the beginning of the ECG cycle, should be present and upright. 6. Tomodachi Life codes QRs Mii – Sailor Moon. A normal heart rhythm contains a P wave, a QRS, and a T wave. The difference you will see in the ECG strip is instead of the flat quiver for the P-wave , you see something that is referred to as Saw Tooth. Fascicular ventricular tachycardia is an idiopathic form of VT. Find out about the blue world's orbit, which of Neptune's moons is the largest, and how the. 10 sec; QRS amplitude is quite variable from lead to lead and from person to person. b. Check the calibration of the ECG (usually 25mm/s and 10mm/1mV). A complete QRS complex consists of a Q-, R- and S-wave. The first clue to the presence of Mobitz I AV block on this ECG is the way the QRS complexes cluster into groups, separated by short pauses. ECG changes generally do not manifest until there is a moderate degree of hyperkalaemia (≥ 6. Supraventricular Tachycardia Syndromes. An electrocardiogram (ECG or EKG) is a recording of the heart’s electrical activity as a graph over a period of time, as detected by electrodes attached to the outer surface of the skin and. Normally, there is a P wave that precedes each QRS complex by a fixed PR interval of 120 to 200 milliseconds. Wide QRS or large-amplitude QRS patterns that can cause discordant ST changes include: RBBB, LBBB, LVH, RVH, Pacing, Metabolic QRS widening, Pre-excitation, etc. If the QRS duration is ≥ 0,12 seconds (120 milliseconds) then the QRS complex is abnormally wide (broad). Sonji's wires measure 12 inches, 8 inches, and 17 inches. RS: onda R alta seguida de onda S profunda, de similar longitud (complejo QRS isobifásico). The PR interval or PRI should be 0. The axis is calculated (to the nearest. Uniform should be worn irrespective of the method of travel e. Sounds run from backing and from between speakers. Känslighet: 89 dB. The QRS complex of a PVC is widened, often notched, and typically has a QRS duration >0. QRS 738 Old Danville. 1 Although low electrocardiographic QRS voltages (LQRSV) detected by 12-lead resting ECG have historically been. AV block represents a delay or disturbance in the transmission of an impulse from the atria to the ventricles. e. S wave of greater duration than R wave or >40 ms in leads I and V 6 in adults. The three premature complexes are identical in shape – narrow QRS complex and a peaked P wave preceding. ECG 2 on 17 January 2013 showed a varying rate, wide QRS tachycardia 0. 04 seconds. Heartbeat detection is the first step in automatic analysis of the electrocardiogram (ECG). g. It represents the electrical depolarization of the atria of the heart. In accomplishing quick and accurate diagnosis, automatic electrocardiogram (ECG) analysis algorithm plays an important role, whose first step is QRS detection. Conduction that sends the impulse down the accessory pathway first, with activation of the entire. Planet Neptunus memiliki periode orbit 164,79 tahun. These five steps must be followed regardless of how simple of complex the tracing is you are reviewing. Examine the QRS complex in each lead and determine if. QRS complex ASSESSMENTS EVALUATION ♥ QRS duration must be <0,12 s (normally 0,07-0,10 s). inferior D. Akan tetapi, Neptunus adalah yang terkecil, yaitu dengan radius khatulistiwa hanya 24. 3. A QRS complex that cannot be classified as. Values without confidence interval are simply the 98 th percentile (i. 7,9 Low voltage can be caused by three main factors: cardiac voltage generation, extracardiac transmission, and equipment-related issues. It was constructed in 1270 and was used by the Huguenots from 1666 to 1816. This skewing of one ventricle taking longer than the other widens the QRS. Significant transmural ischemia due to supply/demand mismatch can also produce ST elevation. QRS Saturnus, Neptunus och supernova. Prolonged electrocardiographic QRS duration is frequently observed in congestive heart failure (CHF) patients. 130 D. nu Päivitetty 16. 1. 12 second (120 milliseconds). Typical ECG of LAFB, demonstrating: rS complexes in leads II, III, aVF, with small R waves and deep S waves. In their initial description, they showed that the earlier in the cycle a premature atrial contraction (PAC) occurs, and the longer the preceding cycle is, the more likely it is that the PAC will be conducted with aberration, and the conduction deviates from the. e left bundle branch block appearance). Classically a hypothermic patient is bradycardic and their ECG will show J-waves. The ST Segment represents the interval between ventricular depolarization and repolarization. of fantastic sound. A QRS duration of 120 ms (0. QRS duration > 120ms. 422 mS. Wolff-Parkinson-White Syndrome. 이 경우 심실은 심실내에 존재하는 자율심박조율 세포에 의해. If there are 2 flutter waves before each QRS complex then it is 2:1 block. A. in the QRS measure set will be collected as part of the QHP Enrollee Survey, which is largely based on items from the Consumer Assessment of Healthcare Providers and Systems. Ventricular arrhythmias are wide complex rhythms that may be regular or irregular. Some authors prefer to differentiate the diverse QRS complex morphologies by using capital letters for waves with great amplitude and lower-case letters for those ones with small amplitude. Du kan fortsätta skriva om du vill begränsa sökningen. 2002; 143:1085–1091. Once you have calculated the number of big squares separating QRS complexes (let's use 3. 3. QRs! Neptunus Rex: 15th Jul 2010 15:33: Can you quote the QR? In my day, (admittedly long ago) hats were only worn indoors at courts martial and funerals. e. They may also be classified by aetiology : Automatic Junctional Rhythms (e. The Mandarin and Cantonese words mean (approximately): “The Brightest; Star of Water; Star of Gold; Sphere of Ground (Earth); Sphere of Moon, Star of Fire; Star of Wood; Star of Soil (Dirt); Star of the King of Heaven; Star of the King of the Ocean; Star. They are usually females, in middle life, devoid of organic. Confirm or corroborate any findings in this lead by checking the other leads. This example uses the data from the first nine subjects to train a deep network and the data from the tenth subject to test the network. 63 mS. Frekvensomfång: 21-20 000 Hz +/-3dB. Herein, we will discuss what makes up the electrical axis, ventricular. QTc is the "corrected" duration of the QT interval. The electrodes are usually embedded into. The pacemaker-initiated QRS complex is completely negatively deflected (pointing downward), and when the intrinsic and pacemaker-initiated complexes combine you simply add the positive deflection of the intrinsic QRS complex to the negative deflection of the pacemaker-initiated QRS complex. ALWAYS rule out: Aortic Dissection (can present as Inferior STEMI – look for. The rhythm is distinguished from paroxysmal supraventricular tachycardia by the lower heart rate and gradual onset and offset. Namun, planet Uranus mempunyai cincin sangat tipis. Figure 4. An instrument is a series of questions, tasks or assessments used in clinical research to provide a qualitative or quantitative. Gouaux and Dr. T. Närbild (2012-09-02 15:33:45) Bilden är högupplöst. P Wave and PR Interval. A pacemaker consists of a box (i. Being able to determine the electrical axis can give insight into underlying disease states and help steer the differential diagnosis towards or away from certain diagnoses. The QRS complex (ventricular complex): normal and abnormal configurations and intervals. 3. NYSDOH will only be collecting measures and numerators included in the QRS Measure set. Rejäl golvhögtalare av Olle Mårtensson med benäget bistånd av Mats Andersen. e. Produkter på bilden: Yamaha YST-SW300, QLN QuBiC 199, QRS Luna Audiofil. Measure the QRS complex . If the QRS duration is normal (<0. 12 second) should be considered VT until proved otherwise. For management, see “Management of Wide Complex Tachycardia”. This can. Search first posts only. Ventricular fibrillation (VF) is the most important shockable cardiac arrest rhythm. Planet Neptunus juga terbuat dari kabut tebal air, amonia, dan metana di atas pusat padat seukuran Bumi. Crossref Medline Google Scholar; 4 Shamim W, Yousufuddin M, Cicorcia M, Gibson DG, Coats AJS, Henein MY. Two determinates of QRS voltages are:In this situation, there is a long coupling interval (from the prior QRS complex), the P wave is not conducted, and the PR interval is shorter than the native sinus beat. In normal sinus rhythm, a resting heart rate of below 60 bpm is called bradycardia and a rate of above 90 bpm is called tachycardia. Fakta menarik lainnya ialah pada usianya. Courtesy of ECGwaves. Ciri-ciri, ukuran, dan suhu Planet Neptunus. On ECG, the P wave appears after the QRS complex, although it is often obscured by the T wave . In order for the QRS duration to be normal (QRS duration <0. Pesawat ruang angkasa Voyager 2 diluncurkan pada 20 Agustus 1977 dan mencapai Neptunus pada 24 Agustus 1989. In German, it is elektro-kardiographie. The results should not be used alone to determine medical treatment. The Q wave is the first negative deflection from the baseline after the P wave, but preceding an upward deflection. One of the key steps in interpreting an electrocardiogram (ECG. Defibrillation. In case of chest pain, the level of ST segment elevation is measured in J termination. Later studies have determined the maximum QRS duration from measurement of all leads and this fact may be responsible for the considerable differences in ranges between earlier and later studies. Myocardial ischemia may present with any degree of T-wave inversion. An electrocardiogram also termed an ECG or EKG (K means kardia for heart in Greek) or a 12 lead ECG. 100 B. QRS Duration; QT Interval; QRS Axis . P waves preceding QRS complexes indicate sinus bradycardia (if P waves are normal, even if first-degree AV block is present) or sinus arrest with an escape atrial bradycardia (if P waves are abnormal). The QRS complexes are very small in the inferior leads so our threshold for what constitutes a significant amount of ST-elevation is less. His QRS looked just like your video, no dropping…. qRs: onda Q pequena inicial (não-patológica), seguida de uma onda R alta e de uma onda S pequena. The QRS width is useful. The block of one of the Tawara branches results in a typical bundle branch block pattern. What is the nurse's best reply? a. Enormous QRS voltages. 2. To do this, you can use a 6 second ECG strip. The heart fills during diastole, and diastole is normally 2/3 the cardiac cycle. VT propagates from ventricular muscle, with initial slow myocyte-to-myocyte conduction time. QRS duration should be measured in the lead with the longest QRS duration (which is usually a lead with visible Q-wave). The delay between activation of the RV and LV produces the characteristic “M-shaped” R wave seen in lateral leads. Heart rate: 90 bpm; normal. Katz LN and Wachtel H. En el electrocardiograma normal se pueden observar en las derivaciones V5 y V6. The QRS complex will typically be normal (0. QRSd is the duration of the QRS interval. Chris Nickson. Leads V1-V2: The QRS complex appears as the letter “M”. A 56 year old year old woman presents to the Emergency Department with a referral from her General Practitioner for “ assessment and management of severe tachycardia and possible myocardial infarction ” following a sudden onset of palpitations. 2 as an example), perform the following calculation to determine heart rate: 300/3. The QRS-01 (Quality Requirements for Suppliers) and associated modules QRS-XXX is the Quality Manual applicable to all Suppliers when referred to within a Purchase Order or Agreement, and shall be flowed-down to all Sub-tier Suppliers. 001) were significantly different between the genotypes, where LQT3-patients had the longest PQ interval (149±30 ms) and QRS duration (87±17 ms). Heart rate is normal (60-100 bpm). Heart Rhythm. Melansir Cool Cosmos, perjalanan dari Bumi ke Neptunus membutuhkan waktu selama 12 tahun 5 hari. Then use the function with any multivariate multiple regression model object that has two responses. 01). An EKG displays P Waves, T Waves, and the QRS Complex. The intervals are 98% confidence intervals (the mean is presented in the parenthesis). 4. Tomodachi Life codes QRs. Neptunus mirip dengan Uranus sehingga kerap disebut planet kembar. 4 A positive, narrow QRS complex is created when atrial beats move down the normal conduction tissue to depolarize the ventricle. Wide QRS complexes - indicative of a ventricular rhythm, or aberrant conduction of a supraventricular rhythm. The P wave and PR segment is an integral part of an electrocardiogram (ECG). Eur Heart J 2015;36:1983-9. Am Heart J. Introduction. Anläggningen Lite Från Sidan (2013-03-03 19:32:45) Bilden är högupplöst. The numbers are the time inervals. Tomodachi Life codes QRs Mii – Game of Thrones. The ventricles begin to contract as the QRS reaches the peak of the R wave. For the same reason, R-wave peak time may also be prolonged. 12 – 0. The threshold algorithm of QRS complex detection is known for its high-speed computation and minimized memory storage. Robert Buttner and Ed Burns. Neptunus Rex: 15th Jul 2010 15:33: Can you quote the QR? In my day, (admittedly long ago) hats were only worn indoors at courts martial and funerals. Es la morfología típica de la derivación V3. Thus, the QRS is not separately subject to federal income tax. In the setting of a broad QRS complex, such as in a bundle branch block or a paced rhythm, the QT interval is likely to be prolonged. 300 divided by 4 = 75 beats per minute. Northwest axis results when ventricular impulses originate in the inferior wall or the apical segment of the ventricle. 5 billion kilometers), Neptune is the fourth-largest planet by diameter and third-largest by mass, having a diameter of 30,598 miles (49,244 kilometers). 20 seconds, the QRS complexes are uniform and the length of these QRS complexes are. Example 2 A-V sequential pacing —. The EKG rhythm will appear regular unless atrial fibrillation present. Note that with both kinds of bundle branch block, the QRS is wide and misshapen. then look at it a 2 nd and 3 rd time. Unsynchronized shocks refer to a shock that is delivered immediately after the healthcare professional pushes the shock. The most common SVTs include atrioventricular nodal re-entrant tachycardia, atrioventricular re-entrant tachycardia and atrial tachycardia. During development, the ventricular mass increases, and the QRS. Rate is less than 40 beats per minute. Heart rate is normal (60-100 bpm). Atrioventricular (AV) conduction is evaluated by assessing the relationship between the P waves and QRS complexes. Sökresultat Sökningen pågår Sökresultaten dyker upp här efterhand. The EKG rhythm will appear regular unless atrial fibrillation present. Parts of the ECG explained P waves. Travelling to and from residence to place of duty. . For a craft project, four students each chose three pieces of wire from a box. The hallmark electrocardiographic (ECG) finding of WPW pattern or preexcitation consists of a short. 120, Acetylcholinesterase. Atrioventricular (AV) conduction is evaluated by assessing the relationship between the P waves and QRS complexes. Exertion, (4) In contrast to the right. Treatment. Ventricular demand pacing appears on the electrocardiogram (ECG) as a single pacemaker spike followed by a QRS complex that is wide, bizarre, and resembles a ventricular beat ( waveform 2 ). 2nd degree block type II. Atrial bigeminy, as a manifestation of PACs, is a harmless rhythm in the proper clinical context. 6 In this example, atrial fibrillation (AF) was. The interpretation of 12-lead resting ECG in patients with a definitive diagnosis or with the suspicion of a cardiomyopathy represents a cornerstone for the diagnostic work up and management of patients. 2007. 3 million adults in the USA and 4. The QRS complex is an electrical ventricular system and is the most well-known waveform showing electrical activity inside the heart. Premature Atrial Complex (PAC) A premature atrial complex (PAC) is a premature beat arising from ectopic pacemaking tissue within the atria. The most typical ECG findings in emphysema are: Rightward shift of the P wave axis with prominent P waves in the inferior leads and flattened or inverted P waves in leads I and aVL. A cardiac monitor capable of at least a basic, continuous, single-view electrocardiogram (ECG) is paired with a pacemaker that comes with two electrodes. ”. It was reconstructed in 2013. 001 for all). In typical cases of atrial flutter the atrial rate is around 300 beats per minute with a 2:1 block, which yields a ventricular rate of about 150 beats per minute. All our ECGs are free to reproduce for educational purposes, provided: The image is credited to litfl. No complete. Newsletter. Can also cause failure to capture as spikes low amplitude. PVCs are said to be “frequent” if there are more than 5 PVCs per minute on. The photos I was finding showed Neptunus Rex ceremonies and rituals for sailors who cross the equator. Pacemaker delivers runs of pacing spikes in excess of 2000 bp. The term deep T-wave inversion is applied to T-waves 5 to 10 mm deep. QRS complexes with the accompanying upright P waves and a rate of close to 90/minute forms the underlying sinus rhythm. 그리스 로마 신화 신이자 바다의 신인 넵투누스(Neptunus)로부터 기원했습니다. The P-wave, PR interval and PR segment. PR Interval (measured from beginning of P to beginning of QRS in the frontal plane) Normal: 0. Josephson’s. Also known as Neptunus Equester, he was recognized as a god of horses and horsemanship, as well as patron of horse racing, a popular form of entertainment for the ancient Romans. The P-wave reflects atrial depolarization (activation). QT is the duration of the QT interval. An ECG strip that showed a regular rhythm, an atrial rate greater than the ventricular rate, a constant PRI and two P waves for each QRS complex, and the a QRS is 0. Evanelpus: 15th Jul 2010 15:45: Are you sure it wasn't John Travolta? Pontius Navigator: 15th Jul 2010 15:46: NR, not sure if it is in RAF QRs but in dress regs.