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82 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[] Cardiac manifestations include pericarditis, supraventricular tachycardias, and heart block. [60] Myocardial involvement/systolic dysfunction has also been described, although[] […] portion of the P wave in V1.[]

  • 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.[] Alterations of the ST segment and inverted T waves also appear. Summarizing: Sinus P wave, except alterations. Shortened PR interval (less than 0,12 s). Delta wave.[]

  • Supraventricular Tachycardia

    Inverted P waves are sometimes seen after the QRS complex. These are called retrograde p waves.[] Supraventricular tachycardia (SVT) is a potentially life threatening condition, demanding immediate medical attention.[] Retrograde (inverted) P waves may also be seen. 5.[]

  • Atrial Bigeminy

    P wave with a PRI 120ms.[] Supraventricular tachycardia is a general term that describes tachycardias arising from within the atria or the atrioventricular node .[] This is visible on the ECG as an inverted P wave (“ retrograde P wave “), usually occurring after the QRS complex.[]

  • 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.[]

  • Acute Atrial Infarction

    Hemodynamic changes Atrial contraction can effectively increase the amount of cardiac output, atrial fibrillation and supraventricular tachycardia decreased cardiac output[] Sinus tachycardia may be due to pain, anxiety, or drugs. Atrial fibrillation and other supraventricular tachycardias may also occur.[] Correlation of atrial fibrillation, paroxysmal supraventricular tachycardia, and sinus rhythm with incidences of new coronary events in 1,359 patients, mean age 81 years,[]

  • Torsades De Pointes

    Example 4 Torsades de Pointes: Sinus rhythm, or possibly ectopic atrial rhythm (biphasic / inverted P waves in lead II).[] ‘These changes may result in cardiac arrhythmias, such as torsade de pointes, atrial fibrillation, supraventricular tachycardia, and ventricular tachycardia.’[] Differential diagnosis Ventricular tachycardia . Supraventricular tachycardia with aberrant conduction. Other causes of syncope or sudden cardiac death.[]

  • Ostium Primum Atrial Septal Defect

    Mild right ventricular hypertrophy Inverted P waves in Sinous Venosus type Right Bundle Branch Block is seen which is partial or complete 17.[] The area of the sinoatrial node and crista terminalis are avoided to prevent postoperative supraventricular tachycardia.[] Supraventricular tachycardia (SVT) attacks. Varying degrees of atrioventricular (AV) blocks (rarely complete AV block).[]

  • Flecainide

    The long PR interval, 1:1 atrioventricular conduction and inverted P waves in leads II, III, and aVF consistent with permanent junctional reciprocating tachycardia are to[] Three patients, two singleton pregnancies and one twin pregnancy, were admitted for evidence of fetal supraventricular tachycardia.[] We conducted a retrospective review of 29 patients diagnosed with supraventricular foetal tachycardia between 2001 and 2009.[]

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