Prominent A-Wave Causes & Reasons

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Prominent A-Wave Symptom Checker: Possible causes include Posterior Myocardial Infarction. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.

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Possible Causes

Posterior Myocardial Infarction

A common theory is that prominent R-waves may actually represent inverted Q-waves.1,8 Interestingly, over a third of patients had prominent R-waves in either V1 or V2. [bjcardio.co.uk]

The additional findings of upright T waves and prominent R waves in the same leads suggested posterior wall ST segment elevation AMI. [journals.lww.com]

R waves in V1-V3, R/S wave ratio 1.0 in lead V2, upright T-waves in V1-V3, often coexisting inferior or lateral MI. [errolozdalga.com]

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Early Repolarization Syndrome

Early repolarization syndrome is a well-recognized idiopathic electrocardiographic phenomenon characterized by prominent J wave and ST-segment elevation predominantly in left [ncbi.nlm.nih.gov]

The main finding is an elevation between the QRS and ST segments of over 1 millimeter above the baseline, as well as ST elevation with prominent T waves in at least two leads [symptoma.com]

Terminal QRS slurring or notching (J Waves). Concave upward ST-segment elevation. Prominent T waves 4 5. [en.my-ekg.com]

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Cardiodysrhythmic Potassium-Sensitive Periodic Paralysis

Accounting for the small sample size, prominent U-waves and the “U on P sign” seem to be the most consistent across studies. [innovationsincrm.com]

ECG was notable for prominent U waves, with sinus rhythm and a normal QT interval. Genetic screening identified a heterozygous mutation in the KCNJ2 gene. [neurologytimes.com]

U wave; (3) at least two of the following dysmorphic features: low-set ears, wide-set eyes, a small mandible, fifth-digit clinodactyly, and syndactyly; and (4) a family member [en.wikipedia.org]

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Lateral Myocardial Infarction

Prominent R wave Prominent, upright T wave Combination of horizontal ST-segment depression with upright T wave What is the correct placement of leads V7 – V9? [aliem.com]

Q-T Interval, Prominent U Waves, Digitalis Effect, Hyperkalemia, Hypokalemia, Hypercalcemia, Hypocalcemia, Secundum Atrial Septal Defect, Primum Atrial Septal Defect, Dextrocardia [play.google.com]

[…] upright T-waves in leads V1-V3 Combination of horizontal ST-segment depression with Prominent R-waves in leads V1-V3 R/S ratio 1 in lead V2 Co-existing acute inferior and [emdocs.net]

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Diffuse Intraventricular Block

Prominent R-wave in lead V1 (R/S ratio 1) WPW Posterior MI RBBB (or incomplete RBBB) Ventricular ectopy RVH Acute right ventricular dilatation (right ventricular “strain,” [lifeinthefastlane.com]

[…] ventricular tachycardia) Prominent U-wave In case of intoxication, the above mentioned characteristics are more prominent Additionally, several arrhthytmias can be seen. [en.ecgpedia.org]

[…] changes; prominent U wave; ST elevation; prolonged QTc interval; low voltage; and signs indicating previous myocardial infarction. [journals.plos.org]

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Hypokalemia

prominent U waves require hospital admission. [physio-pedia.com]

These include flattening or inversion of T wave, increasingly prominent U wave, ST-segment depression, and prolonged QU interval. [youtube.com]

Findings such as T-wave flattening or prominent U waves will result in hospital admission. [3] Other tests may include: arterial blood gas basic or comprehensive metabolic [physio-pedia.com]

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Familial Isolated Restrictive Cardiomyopathy

His ECG showed prominent P-waves in all leads consistent with bi-atrial enlargement. His mother (III-17) had symptoms of heart failure from the age of 29 years. [jci.org]

LV, left ventricle; RV, right ventricle; RA, right atrium. ( b ) 12-lead ECG in sinus rhythm with prominent P-waves in all leads, T-wave inversions, and incomplete right bundle [jci.org]

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Cor Pulmonale

Clinical findings associated with pulmonary heart disease include jugular venous distension, prominent v-wave in the jugular venous pulsation, narrow S-2 split or no split [acphospitalist.org]

On electrocardiogram, there was right axis deviation, p-pulmonale, features of right ventricular hypertrophy along with presence of prominent Q waves in leads II, III and [ijem.in]

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 [lifeinthefastlane.com]

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Tonsillitis

Example 2 TdP secondary to hypokalaemia: Sinus rhythm with inverted T waves, prominent U waves and a long Q-U interval due to severe hypokalaemia (K 1.7) A premature atrial [litfl.com]

Distortion often involves changes in T-wave morphology such as T-wave flattening, bifid T waves, prominent U waves that are fused with T waves, and an extended and gradual [ahajournals.org]

The typical short-long-short sequence of R-R intervals seen before the initiation of TdP is associated with marked QT prolongation and T-U–wave distortion in the last sinus [ahajournals.org]

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Familial Short QT Syndrome

This is due to the detection of short-coupled and prominent T waves. 11 The problem was corrected by reprogramming to lower sensitivity and decay delay. [cogprints.org]

Recently, concern has been raised about inappropriate shocks, especially in relation to the presence of short-coupled prominent T waves. [cmaj.ca]

Despite normal sensing behavior during device testing, inappropriate shocks due to T wave over sensing has been reported. [cogprints.org]

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Electrolyte Imbalance

We report a case of hyperkalemia, with concurrent hypocalcemia and hypomagnesemia resulting in (1) peaking of the T wave, (2) a prominent U wave, and (3) prolongation of the [ncbi.nlm.nih.gov]

 ECG manifestations are primarily due to delayed ventricular repolarization and include T-wave flattening and inversion,  an increasingly prominent U wave, ST- segment [slideshare.net]

Widened T wave B. Prominent U wave C. Prolonged QT interval D. Shortened ST segment 68. A. Prominent U waves B. Prolonged PR interval C. Depressed ST segment D. [proprofs.com]

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Hypogonadism

[…] is usually prominent, which has led to overestimation of the QT interval. [revespcardiol.org]

[…] authors question the inclusion of this gene within the LQTS causal group, because the QTc interval is only slightly prolonged in this syndrome or even normal, but the U wave [revespcardiol.org]

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Bidirectional Tachycardia

ECG in normal sinus rhythm (Fig. 3) showed normal QT interval with prominent U wave in V3–V4. [ncbi.nlm.nih.gov]

However a nonfatal course, prominent U wave with prolongs QU interval and subclinical neuro-electrophysiological finding pointed towards ATS. [ncbi.nlm.nih.gov]

ECG in Sinus Rhythm showing prominent U wave (Arrow). Discussion A variety of clinical conditions have been implicated in the generation of bidirectional VT. [ncbi.nlm.nih.gov]

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Brugada Syndrome

In patients with BrS, conduction delay in the right ventricular outflow tract (RVOT) causes a prominent R wave in lead aVR. [ncbi.nlm.nih.gov]

Surface ECG measurements showed less prominent J waves in Hey2 /- mice compared with wild-type. [ncbi.nlm.nih.gov]

J-wave, Am Heart J, 1994, vol. 127 (pg. 1426 - 1430 ) [3] Cellular basis for the electrocardiographic J wave, Circulation, 1996, vol. 93 (pg. 372 - 379 ) [4] Torsade de pointes [doi.org]

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Central Venous Pressure Increased

Severe chronic tricuspid regurgitation, Acute tricuspid regurgitation, Constrictive pericarditits Prominent ‘x’ wave: Cardiac tamponade Prominent ‘v’ wave: Right ventricular [epomedicine.com]

Prominent v waves Tricuspid regurgitation - called cv or v waves and occurring at the same time as systole (a combination of v wave and loss of x descent); there may be earlobe [patient.info]

[…] circulation High PEEP settings CVP WAVEFORM ANALYSIS Dominant a wave – pulmonary hypertension, TS, PS Cannon a wave – complete heart block, VT with AV dissociation Dominant v wave [litfl.com]

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Hypertrophic Cardiomyopathy

[…] patients with severe outflow gradients; S3 gallop is common in children but signifies decompensated CHF in adults; S4 is frequently heard Jugular venous pulse revealing a prominent [emedicine.com]

Axis deviation (right or left) Conduction abnormalities (P-R prolongation, bundle-branch block) Sinus bradycardia with ectopic atrial rhythm Atrial enlargement Abnormal and prominent [emedicine.com]

Q wave in the anterior precordial and lateral limb leads, short P-R interval with QRS suggestive of preexcitation, atrial fibrillation (poor prognostic sign), and a P-wave [emedicine.com]

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Torsades De Pointes

Associated with QT interval prolongation and prominent U waves on resting ECG ECG prolonged re-polarisation and so, early after depolarisation (EAD) Can be congenital Usually [emed.ie]

Arrhythmia may be associated with prolongation of QTc interval or prominent U waves. [bloodjournal.org]

The value of monitoring is to identify warning signs, such as the appearance of prominent U waves, extra-systole, U-wave augmentation after extra-systole, ventricular bigeminy [bloodjournal.org]

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Right Atrial Hypertrophy

The S waves are prominent in leads V5 and V6. The amplitude of R wave is more than 5 mm in lead VI. [yourarticlelibrary.com]

For example, positioning leads V1 and V2 too high ( by 1 or 2 interspaces ) on the chest — may result in prominent P wave negativity, that in lead V1 might falsely suggest [ecg-interpretation.blogspot.com]

Look for signs of atrial abnormalities in leads in which the P wave is most prominent: usually lead II, but also leads III, aVF, and V1. [medicine-on-line.com]

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Patent Ductus Arteriosus

The R wave exceeds 15 mm in aVL, and the sum of the S wave in V1 and the R wave in V5 exceeds 35 mm. [accessmedicine.mhmedical.com]

The PA, aorta, and LA are prominent because they all are in the shunt pathway. eFigure 10–29. Left ventricular hypertrophy. [accessmedicine.mhmedical.com]

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Atrial Septal Defect

In sinus venosus ASD, it shows left axis deviation and a negative P wave in lead III. [symptoma.com]

Imaging The chest X-ray shows a dilated pulmonary artery, prominent pulmonary vascular markings, and enlarged right atrial and ventricular chambers in patients with significant [symptoma.com]

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Cardiac Arrhythmia

Ventricular fibrillation in a patient with prominent J wave in the inferior and lateral electrocardiographic leads after gastrostomy. [ncbi.nlm.nih.gov]

In recent years, T-wave alternans, in which the duration of the T-wave on the ECG alternates, has attracted attention, and there is some evidence that prominent T-wave alternans [scholarpedia.org]

Recurrent syncope in a patient with prominent J-wave. Am Heart J. 1994; 127 :1426–30. [ PubMed ] [ Google Scholar ] 120. Yan GX, Antzelevitch C. [ncbi.nlm.nih.gov]

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Tricuspid Valve Disease

Regarding jugular pulse, tricuspid stenosis induces a prominent "a" wave and a diminished rate of "y" descent, while tricuspid regurgitation causes abnormal "v" and systolic [symptoma.com]

[…] area radius 0.6-0.9 cm jet density and contour is dense with a variable contour hepatic vein flow has systolic blunting a pattern consisting of a pulsatile waveform with prominent [radiopaedia.org]

He is in chronic atrial fibrillation (AF), his neck veins are distended with prominent V waves, and he has an enlarged pulsating liver and severe peripheral edema. [onlinejacc.org]

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Hyperkalemia

T-waves. [emcrit.org]

[…] and width flattening or inversion U wave increased prominence rate, rhythm AV block, VF premature beats; tachyarrhythmias, torsades de pointes where: The P and T waves show [rccc.eu]

An EKG demonstrated prominent peak T waves (V1 to V3) and minimal widening of the QRS. [journals.lww.com]

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Streptococcus Pyogenes

We recently hypothesized that subclone 5 strains evolved from a subclone 1 precursor and rose to prominence in the second epidemic wave (centered in 2000) of infections as [doi.org]

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Polyps

Standard 12-lead ECG ST-segment depression (horizontal downsloping/upsloping)* Prominent R wave* R/S wave ratio 1.0 in lead V2 Prominent, upright T wave* Combination of horizontal [ncbi.nlm.nih.gov]

R wave or R/S ratio 1” is abnormal and likely ischemic; however, no specific recommendations for management are made.[15] The distinction between STEMI and OMI is demonstrated [ncbi.nlm.nih.gov]

Cardiologists should be able to interpret electrocardiographic signs such as ST-segment depression with upright T waves and prominent tall R waves in leads V1 to V3 in order [ncbi.nlm.nih.gov]

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Chronic Right-Sided Congestive Heart Failure

Distended neck veins with raised and/or prominent JVP and visible a or v waves. 3rd/4th heart sounds and pansystolic murmur of tricuspid regurgitation over right heart. [patient.info]

In patients with considerable tricuspid regurgitation, a prominent systolic pulsation of the liver, attributable to an enlarged right atrial V wave, is often noted. [emedicine.medscape.com]

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Cardiomyopathy

EKG abnormalities may include patterns of LVH, left atrial enlargement, prominent Q waves in inferior and lateral leads, and diffuse T-wave inversions. [clinicaladvisor.com]

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Pulmonary Emphysema

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Peripheral Neuropathy

In the study, the changes were more prominent in cases of severe acidosis. [emedicine.medscape.com]

According to a study by Jaff et al, methanol intoxication can lead to several ECG changes, with sinus tachycardia and non-specific T-wave changes being the most common. [emedicine.medscape.com]

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Cardiac Cirrhosis

Prominent v waves with rapid y descent indicate tricuspid regurgitation. [emedicine.medscape.com]

[…] a wave and v wave tricuspid regurgitation may diminish or reverse the S wave pure right ventricular dysfunction will have a preserved S/D relationship with the amplitude [radiopaedia.org]

Physical Examination Distended abdomen Bulging flanks Everted umbilicus Portal HPN: prominent venous collaterals Fluid wave (1.5 L) 15. [slideshare.net]

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