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56 Possible Causes for Inverted P Wave, Supraventricular 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[] The incidence of supraventricular tachycardia increases with age.[] 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[]

  • 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[] […] portion of the P wave in V1.[] […] an interventricular conduction delay mimicking LBBB — however, this is not LBBB as the morphology is not typical and there are small Q waves in V5-6 ( the presence of Q waves[]

  • Supraventricular Tachycardia

    Inverted P waves are sometimes seen after the QRS complex. These are called retrograde p waves.[] What is supraventricular tachycardia? What are the symptoms of supraventricular tachycardia? How is supraventricular tachycardia diagnosed?[] A distinguishing characteristic of orthodromic AVRT can therefore be an inverted P-wave (relative to a sinus P wave) that follows each of its regular, narrow QRS complexes[]

  • Acute Atrial Infarction

    Abstract A patient with acute right ventricular infarction who showed hyposecretion of atrial natriuretic peptide (ANP) in spite of abnormally high right atrial pressure and who died of a severe low cardiac output syndrome is reported. Right atrial infarction, which was proven at autopsy, may be responsible for[…][]

  • Atrial Arrhythmia

    RESULTS: Paroxysmal supraventricular tachycardia terminated after adenosine administration in 198 patients (99% [95% CI, 96% to 100%]).[] Supraventricular tachycardias may be divided into two distinct groups depending on whether they arise from the atria or the atrioventricular junction.[] There are three major types of tachycardia: Atrial tachycardia (starting in the atria) Supraventricular tachycardia (starting above the ventricles) Ventricular tachycardia[]

  • Atrial Bigeminy

    P wave with a PRI 120ms.[] Diagnostic value of tachycardia features and pacing maneuvers during paroxysmal supraventricular tachycardia.[] Supraventricular tachycardia is a general term that describes tachycardias arising from within the atria or the atrioventricular node .[]

  • 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.[] […] result of this treatment is the lack of supraventricular tachycardia (SVT) inducibility with or without single atrioventricular (AV) nodal echo beats.[] 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).[]

  • 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[] Although most PACs are benign, they may change into atrial flutter, atrial fibrillation, or supraventricular tachycardia.[] Supraventricular nonreentrant tachycardia due to simultaneous conduction through dual atrioventricular nodal pathways.[]

  • 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[] In three patients the atrium did not appear necessary to sustain supraventricular tachycardia.[] 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[]

  • 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[] tachycardias LGL syndrome edit English Lown-Ganong-Levine syndrome syndrome that involves pre-excitation of the ventricles due to an accessory pathway providing an abnormal[] She was euthyroid; ECG revealed regular rhythm with inverted P waves, short PR interval, absent delta waves with normal QRS morphology ( Figure 1 ).[]

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