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262 Possible Causes for Short PR Interval

  • Wolff-Parkinson-White Syndrome

    The syndrome is characterized by a short PR interval and a long QRS interval with a delta wave.[fpnotebook.com] Note the short PR interval .[en.wikipedia.org] ECG Presentation • Short PR interval • Slurred initial upstroke of QRS – delta wave • Relatively normal , narrow terminal QRS –main QRS deflection • Slight widening of QRS[slideshare.net]

  • Lown-Ganong-Levine Syndrome

    The PR interval is short. Click here for a more detailed ECG ECG 3. Short PR interval in a 7 years-old boy.[metealpaslan.com] PR interval.[thehealthscience.com] The syndrome described by Lown, Ganong, and Levine in 1952 associated the occurrence of tachycardia with presence of a short PR interval and normal QRS.[emedicine.medscape.com]

  • Preexcitation Syndrome

    PR interval (usually 0.1 second or less; occasionally normal) together with a prolonged QRS complex with a slurred initial component (delta wave).[medical-dictionary.thefreedictionary.com] Short PR interval . Normal QRS complex. Norma T wave.[en.my-ekg.com] The combination of a short PR interval and an abnormally long QRS complex comprises the ECG diagnosis of ventricular pre-excitation.[frca.co.uk]

  • Ebstein Malformation

    The classic WPW ECG pattern consists of : A short PR interval (rapid AV conduction through the accessory pathway) Delta wave (initial slow ventricular activation due to fiber[pedclerk.bsd.uchicago.edu] interval; may be normal/short in patients with Wolff-Parkinson-White syndrome Right bundle branch block and/or low voltage QRS complex Imaging studies The following imaging[emedicine.medscape.com] Intermittent/paroxysmal supraventricular tachycardia, atrial flutter/fibrillation, ventricular tachycardia Abnormal P waves consistent with right atrial enlargement Prolonged PR[emedicine.medscape.com]

  • Glycogen Storage Disease Type 2

    interval: Short Congestive heart failure Cardiomyopathy: Vacuolar; Cardiomegaly, Biventricular hypertrophy Glycogen: Increased in myocardium Phosphorylase kinase activity[neuromuscular.wustl.edu] […] from ATP depletion Activates glycolysis & fatty acid uptake during hypoxic stress or metabolic demand Non-lysosomal cardiac glycogenosis Clinical Onset: Neonatal Cardiac PR[neuromuscular.wustl.edu]

  • Cushing's Disease

    Cushing's disease is caused by prolonged exposure to inappropriately high levels of the hormone cortisol due to increased secretion of adrenocorticotropic hormone. Common symptoms include weight gain, skin changes, hyperhidrosis, infertility, hirsutism, amenorrhea, muscle weakness and psychological problems. The[…][symptoma.com]

  • Graves Disease

    Graves' disease, also known as toxic diffuse goiter, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyroid. Signs and symptoms of hyperthyroidism may include irritability, muscle weakness, sleeping[…][en.wikipedia.org]

  • Myocardial Infarction

    History The patient’s history is critical in diagnosing myocardial infarction (MI) and sometimes may provide the only clues that lead to the diagnosis in the initial phases of the patient presentation. Patients with typical acute MI usually present with chest pain and may have prodromal symptoms of fatigue, chest[…][emedicine.medscape.com]

  • MELAS Syndrome

    Of the 4 cases, 1 was identified by electrocardiography demonstrating a short PR interval, delta wave, and ST-segment changes, with a clinical history of tachycardia.[jamanetwork.com]

  • Familial Atrial Fibrillation

    Five additional family members had short PR intervals with normal QRS, and eight other family members had borderline short PR intervals.[scholars.northwestern.edu] PR Interval OMIM:209500 Atrichia with Papular Lesions; APL OMIM:209600 Atrioventricular Dissociation OMIM:600309 Atrioventricular Septal Defect 3; AVSD3 OMIM:614430 Atrioventricular[informatics.jax.org] The proband had a short PR interval with normal QRS and chronic recurrent paroxysmal atrial tachycardia (Lown-Ganong-Levine syndrome).[scholars.northwestern.edu]

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