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393 Possible Causes for Prolonged PR Interval, Tachycardia

  • Rheumatic Fever

    The junctional tachycardia and other electrocardiogram abnormalities resolved during follow-up. KEYWORDS: Junctional tachycardia; arrhythmia; streptococcal pharyngitis[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]

  • 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] ECG Changes The use of therapeutic doses of LANOXIN may cause prolongation of the PR interval and depression of the ST segment on the electrocardiogram .[rxlist.com]

  • Cardiac Glycoside Poisoning

    Death occurs from ventricular fibrillation or tachycardia.[ncbi.nlm.nih.gov] Many patients with moderate poisoning show PR interval prolongation and progression to atrioventricular (AV) dissociation.[heart.bmj.com] Electrocardiogram revealed a first-degree atrioventricular conduction block with premature atrial contractions, followed by polymorphic ventricular tachycardia three hours[ncbi.nlm.nih.gov]

  • Quinidine

    RESULTS: We report the case of a patient with vasospastic angina and J-wave pattern in inferior and lateral leads associated with polymorphic ventricular tachycardia which[ncbi.nlm.nih.gov] PR intervals).[af-ablation.org] […] man with a VVI pacemaker with rate hysteresis and concomitant quinidine treatment documented the occurrence of several episodes of non-sustained polymorphous 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]

  • Diphtheritic Myocarditis

    Relative tachycardia The increase in pulse rale is more than 10 beats/minute with per degree (1 F) rise of temperature.[notes.medicosnotes.com] The following ECG changes may be noted in patients with rheumatic fever : [1] Sinus tachycardia or bradycardia depending on vagal tone Prolongation of PR interval Variable[wikidoc.org] […] with ischxmic changes and low voltage in one, and ventricular tachycardia in one.[kundoc.com]

  • Sick Sinus Syndrome

    Abstract Exercise seldom provokes tachycardia in patients with paroxysmal supraventricular tachycardia (PSVT).[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] METHODS AND RESULTS: A 12-year-old male with congenital sick sinus syndrome (SSS), cardiac conduction disorder (CCD), and recurrent monomorphic ventricular tachycardia (VT[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] Note the low voltage in the precordial leads and a prolonged PR interval at 20 ms.[academic.oup.com] tachycardia.[ncbi.nlm.nih.gov]

  • 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]

  • Cardiomyopathy

    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] Citing Article A 68-year-old woman presented with symptoms of palpitations and was found to have frequent premature ventricular contractions and nonsustained ventricular tachycardia[nejm.org]

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