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302 Possible Causes for Prolonged PR Interval, Tachycardia

  • Cardiomyopathy

    Junctional ectopic tachycardia (JET) is a rare form of arrhythmia that is most commonly seen during infancy.[ncbi.nlm.nih.gov] 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]

  • Sick Sinus Syndrome

    Exercise seldom provokes tachycardia in patients with paroxysmal supraventricular tachycardia (PSVT).[ncbi.nlm.nih.gov] The study group consisted of three male patients with sick sinus syndrome, intraventricular conduction disease, and monomorphic sustained ventricular tachycardia.[ncbi.nlm.nih.gov] […] report a case of a young male with a novel SCN5A mutation (R121W) afflicted by sick sinus syndrome, progressive cardiac conduction disorder, atrial flutter and ventricular tachycardia[ncbi.nlm.nih.gov]

  • Digitalis Toxicity

    , junctional tachycardia, and bidirectional ventricular tachycardia are common.[ncbi.nlm.nih.gov] The earliest signs of toxicity in the newborn are undue slowing of the pulse rate (bradycardia), sinoatrial arrest and prolongation of the PR Interval (A Collins Abrams, 2006[rn.com] ., sinus bradycardia, atrioventricular block, nonparoxysmal atrioventricular junctional tachycardia, and ventricular tachycardia.[ncbi.nlm.nih.gov]

  • Hypokalemia

    A 38-year-old obese woman presented with recurrent polymorphic ventricular tachycardia secondary to persistent hypokalemia necessitating more than 40 DC shocks.[ncbi.nlm.nih.gov] PR interval.[ausmed.com] Clinically, the acute symptoms may resemble a herniated vertebral disc, but hypokalemia per se is life-threatening by causing heart arrest through ventricular tachycardia[ncbi.nlm.nih.gov]

  • Cardiac Glycoside Poisoning

    Death occurs from ventricular fibrillation or tachycardia.[ncbi.nlm.nih.gov] Página 153 - Significance of isolated HV interval prolongation in symptomatic patients without documented heart block - Altschuler H., Fisher JD and Furman S. ‎[books.google.es] Electrocardiogram revealed a first-degree atrioventricular conduction block with premature atrial contractions, followed by polymorphic ventricular tachycardia three hours[ncbi.nlm.nih.gov]

  • Rheumatic Fever

    The junctional tachycardia and other electrocardiogram abnormalities resolved during follow-up.[ncbi.nlm.nih.gov] We report on a 10-year-old boy who presented with progressive right side involuntary movements, an apical systolic murmur, prolonged PR interval, and elevated antistreptolysin[ncbi.nlm.nih.gov] Initial attack patients have higher incidence of prolonged PR-interval (67 vs. 12%, P 0.049) and longer duration of admission to diagnosis (5 vs. 2 days, P 0.05).[ncbi.nlm.nih.gov]

  • Acute Myocarditis

    Monoamine oxidase inhibitors (MAOIs) are uncommonly used due to their high frequency of adverse effects, including tachycardia and hypertension.[ncbi.nlm.nih.gov] We describe an unusual case of a 44-year-old woman who was hospitalized for ventricular tachycardia, deep asthenia and dyspnoea with no previous history of cardiac disease[ncbi.nlm.nih.gov] Tachycardia was the commonest clinical sign observed so it is important to look for heart rate and rhythm in a sick child with irritability.[ncbi.nlm.nih.gov]

  • Restrictive Cardiomyopathy

    […] report the case of a young female with myofibrillar myopathy and deteriorating heart failure due to restrictive cardiomyopathy and recurrent atrial fibrillation and atrial tachycardias[ncbi.nlm.nih.gov] tachycardia.[ncbi.nlm.nih.gov] Tachycardia-induced cardiomyopathy Pregnancy Peripartum cardiomyopathy 2003 The Cleveland Clinic Foundation.[clevelandclinicmeded.com]

  • Rheumatic Heart Disease

    Pregnancy is associated with many hemodynamic changes including expanded intravascular volume, tachycardia, increased intracardiac dimensions, and valvular regurgitation.[ncbi.nlm.nih.gov] ECG reveals no diagnostic changes, but 20% of patient show a prolonged PR interval. 15.[slideshare.net] She presented with supraventricular tachycardia and died in the coronary care unit 4 weeks postpartum.[ncbi.nlm.nih.gov]

  • Sinoatrial Block

    Electrophysiologic studies with recordings of sinus node electrograms were performed in two patients with bradycardia-tachycardia syndrome.[ncbi.nlm.nih.gov] This is different than a first-degree atrioventricular, or AV, block, which shows a prolonged PR interval.[healio.com] Mobitz Type 1 (Wenckebach) • Gradual prolongation of PR interval until nonconducted p wave • RP-PR reciprocity • Lengthening of the PR interval at progressively shorter decrements[slideshare.net]

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