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105 Possible Causes for Prolonged PR Interval, Prominent A-Wave

  • Ostium Primum Atrial Septal Defect

    If MR is present, the findings of ASD may be modified Prominent v wave in JVP LV type apex IE may occur (unlike secundum ASD) ECG Incomplete RBBB pattern in v1 as in secundum[heartpearls.com] Complete heart block may be revealed in ostium primum type Large ASD may have prolonged PR interval 18.[slideshare.net] The notched R waves in inferior leads are not so prominent. ECG 11.[metealpaslan.com]

  • Patent Ductus Arteriosus

    Donohue syndrome, a rare autosomal recessive disorder, is associated with the mutation of the insulin receptor gene in the short arm of the 19th chromosome. It is very rare that a syndrome of insulin resistance resembles Donohue syndrome with patent ductus arteriosus. A 14-year-old girl, whose parents were[…][ncbi.nlm.nih.gov]

  • Patent Foramen Ovale

    Individuals with atrial septal defects may have a prolonged PR interval (a first degree heart block).[marmur.com] Individuals with atrial septal defects may have a prolonged PR interval (a first-degree heart block ).[en.wikipedia.org] The prolongation of the PR interval is probably due to the enlargement of the atria that is common in ASDs and the increased distance due to the defect itself.[marmur.com]

  • Third Degree Atrioventricular Block

    On the surface ECG this is realized through a prolonged PR interval.[ems12lead.com] The authors conclude that acute alcohol poisoning has the potential to prolong the PR interval in young, healthy adolescents without pre-existing first-degree AV block and[ncbi.nlm.nih.gov] Note the fixed prolonged PR interval.[emedicine.medscape.com]

  • Hypokalemia

    prominent U waves require hospital admission.[physio-pedia.com] PR interval.[ausmed.com] The following signs and symptoms should raise the concern for hyperkalemia: Cardiac manifestations: -Peaked T waves -Shortened QT interval -Prolonged PR interval -Flattening[clinicaladvisor.com]

  • Hyperkalemia

    […] and width flattening or inversion U wave increased prominence rate, rhythm AV block, VF premature beats; tachyarrhythmias, torsades de pointes where: The P and T waves show[rccc.eu] ., prolonged PR interval, wide QRS complex) as an alternative to 10 units of short acting insulin.[ncbi.nlm.nih.gov] , prolonged PR interval, prolonged QRS interval, loss of P wave, sine waves and finally ventricular fibrillation (see ECG guideline for normal values for age) ECG CHANGES[starship.org.nz]

  • Electrolyte Imbalance

    We report a case of hyperkalemia, with concurrent hypocalcemia and hypomagnesemia resulting in (1) peaking of the T wave, (2) a prominent U wave, and (3) prolongation of the[ncbi.nlm.nih.gov] .  Assessment findings: serum magnesium level is greater than 2.3mg/dl creatinine clearance decreases to less than 3.0ml/min ECG finding: prolonged PR interval : tall T waves[slideshare.net] Widened T wave B. Prominent U wave C. Prolonged QT interval D. Shortened ST segment 68. A. Prominent U waves B. Prolonged PR interval C. Depressed ST segment D.[proprofs.com]

  • Cardiomyopathy

    […] patients with severe outflow gradients; S3 gallop is common in children but signifies decompensated CHF in adults; S4 is frequently heard Jugular venous pulse revealing a prominent[emedicine.medscape.com] The resting ECG is unremarkable, except for sinus bradycardia and prominent U waves in some patients.[web.archive.org] Axis deviation (right or left) Conduction abnormalities (P-R prolongation, bundle-branch block) Sinus bradycardia with ectopic atrial rhythm Atrial enlargement Abnormal and prominent[emedicine.medscape.com]

  • Atrial Septal Defect

    In sinus venosus ASD, it shows left axis deviation and a negative P wave in lead III.[symptoma.com] Complete heart block may be revealed in ostium primum type Large ASD may have prolonged PR interval 18.[slideshare.net] Individuals with atrial septal defects may have a prolonged PR interval (a first-degree heart block ).[en.wikipedia.org]

  • Accidental Hypothermia

    His bundle electrocardiography was performed on a patient with accidental hypothermia on whom the standard electrocardiogram (ECG) showed absent P waves, prominent J waves[ncbi.nlm.nih.gov] As temperatures continue to drop, the ECG will demonstrate prolonged intervals: PR, followed by QRS and then QTc.[foamcast.org] Additional findings included atrial fibrillation, severe sinus bradycardia, and prominent J (Osborn) waves.[ncbi.nlm.nih.gov]

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