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269 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] Definition (MSH) A form of ventricular pre-excitation characterized by a short PR interval and a long QRS interval with a delta wave.[fpnotebook.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] However the main basis for this diagnosis is the ECG which associates short PR interval and widening of QRS complex with a delta wave.[ncbi.nlm.nih.gov]

  • 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]

  • 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

    Summary Epidemiology Exact prevalence is unknown. Prevalence of endogenous CS is estimated at around 1/26,000, with CD representing more than two-thirds of all cases. Recent data suggests that mild CD is more common than previously thought. Clinical description The female-to-male ratio of CD is 4-5:1, except in[…][orpha.net]

  • Graves Disease

    Graves disease is an autoimmune thyroid disorder characterized by hyperthyroidism, ophthalmopathy and goitre. The autoimmune process in Graves disease is influenced by a combination of environmental and genetic factors. The signs and symptoms of Graves' disease include insomnia, tremor, hyperactivity, hyperhidrosis,[…][symptoma.com]

  • Myocardial Infarction

    An acute myocardial infarction is caused by necrosis of myocardial tissue due to ischaemia, usually due to blockage of a coronary artery by a thrombus. Most myocardial infarctions are anterior or inferior but may affect the posterior wall of the left ventricle to cause a posterior myocardial infarction. Nearly half[…][patient.info]

  • Phosphorylase Kinase Deficiency

    Electrocardiographic and echocardiographic findings are characteristic but not specific; these include large QRS complexes, short PR interval, and a hypertrophic nonobstructive[ncbi.nlm.nih.gov] 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]

  • 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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