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77 Possible Causes for Inverted P Wave, Tachycardia

  • Paroxysmal Supraventricular Tachycardia

    Most patients present with palpitations and dizziness, and their electrocardiogram demonstrates a narrow QRS complex and regular tachycardia with hidden or inverted P waves[ncbi.nlm.nih.gov] The incidence of supraventricular tachycardia increases with age.[ncbi.nlm.nih.gov] P waves in leads II, III, aVF, V 3 -V 6 Rare: References: [1] [3] [4] Pathophysiology AVRT Do not confuse atrioventricular reentrant (or reciprocating) tachycardia ( AVRT[amboss.com]

  • Supraventricular Tachycardia

    Inverted P waves are sometimes seen after the QRS complex. These are called retrograde p waves.[acls-algorithms.com] […] the tachycardia.[en.wikipedia.org] waves may be non-identifiable, especially when the ventricular rate is high If P waves are present, they will likely be inverted in leads II, III, and aVf QRS complex duration[medictests.com]

  • Premature Atrial Contractions

    wave is abnormal Premature (earlier than expected) Morphology different than normal P wave Inverted P wave suggests atrial source near AV junction Nearly normal P waves suggest[fprmed.com] […] during tachycardia was not suggestive for atrioventricular nodal reentry tachycardia.[degruyter.com] PACS arising close to the AV node (“low atrial” ectopics) activate the atria retrogradely, producing an inverted P wave with a relatively short PR interval 120 ms (PR interval[lifeinthefastlane.com]

  • Cardiomyopathy

    There are some signs of left atrial enlargement — leftward deviation of the P wave axis (positive P waves in I and aVL, inverted in III and aVF) and prolongation of the terminal[lifeinthefastlane.com] Case 2 presented isolated LVNC with nonsustained ventricle tachycardia. A cesarean section was performed at 36 weeks' gestation because of placenta previa.[ncbi.nlm.nih.gov] Most common mode of presentation was ventricular tachycardia (VT). Two patients had left ventricular (LV) systolic dysfunction.[ncbi.nlm.nih.gov]

  • Atrial Arrhythmia

    The mechanism of atrial tachycardia was scar related intra-atrial reentry (n 27), cavotricuspid-related atrial flutter (n 21), atrial fibrillation (n 2), or focal atrial tachycardia[ncbi.nlm.nih.gov] Catheter ablation was highly effective for RA tachycardia (100%).[ncbi.nlm.nih.gov] There is an obvious need to identify the children that may develop the tachycardia before the surgery is performed.[ncbi.nlm.nih.gov]

  • Atrial Bigeminy

    P wave with a PRI 120ms.[app.figure1.com] Diagnostic value of tachycardia features and pacing maneuvers during paroxysmal supraventricular tachycardia.[ncbi.nlm.nih.gov] This is visible on the ECG as an inverted P wave (“ retrograde P wave “), usually occurring after the QRS complex.[lifeinthefastlane.com]

  • Atrioventricular Junctional Rhythm

    Retrograde inverted P waves with short PR intervals and a heart rate of 94/minute denotes to accelerated junctional rhythm. Click here for a more detailed ECG ECG 3.[metealpaslan.com] , Circulation , 1992 , vol. 85 (pg. 1318 - 28 ) 3 Junctional tachycardia: a useful marker during radiofrequency ablation for atrioventricular node reentrant tachycardia ,[academic.oup.com] The presence of inverted P waves indicates that the primary pacemaker has shifted to the AV node (in this case probably high in the AV node).[equimedcorp.com]

  • Lown-Ganong-Levine Syndrome

    The criteria include a normal or inverted P wave, a short PR interval less than or equal to 0.12 second (120 ms), with normal QRS complex duration, the absence of a delta[symptoma.com] Abstract Sixty-five patients with dual pathway atrioventricular (A-V) nodal reentrant paroxysmal tachycardia were studied.[ncbi.nlm.nih.gov] Diagnostic criteria include PR interval of no more than 120 ms, normal QRS complex duration, a normal or inverted P wave, and paroxysmal supraventricular tachycardia (PSVT[patient.co.uk]

  • Atrial Tachyarrhythmia with Short PR Interval

    Diagnostic criteria include PR interval of no more than 120 ms, normal QRS complex duration, a normal or inverted P wave, and paroxysmal supraventricular tachycardia (PSVT[patient.co.uk] The most common tachycardias include AV nodal reentry, accessory pathway mediated tachycardia, atrial fibrillation, atrial flutter, and ventricular tachycardia. [23, 26] To[emedicine.com] She was euthyroid; ECG revealed regular rhythm with inverted P waves, short PR interval, absent delta waves with normal QRS morphology ( Figure 1 ).[ncbi.nlm.nih.gov]

  • Paroxysmal Nodal Tachycardia

    waves, fixed P-R interval: sinus tachycardia Multiform P waves, variable P-R interval: MFAT Inverted P waves: AV nodal tachycardia Sawtooth P waves: A-flutter No atrial activity[openanesthesia.org] A dual demand pacemaker was implanted to sense and interrupt attacks of tachycardia automatically.[ncbi.nlm.nih.gov] P waves in leads II, III, aVF, V 3 -V 6 Rare: References: [1] [3] [4] Pathophysiology AVRT Do not confuse atrioventricular reentrant (or reciprocating) tachycardia ( AVRT[amboss.com]

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