Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Atrioventricular block laboratory findings
Introduction
Overview
Overview
Laboratory studies are especially important to exclude reversible causes of atrioventricular block, for example electrolyte imbalances and medications.
Laboratory Findings
Laboratory Findings
- Serum levels of potassium, sodium and bicarbonates.
- Serum drug levels e.g digitalis.
- If acute myocardial infarction is the cause for current conduction disturbances, then troponin levels should be looked for.
- If thyroid dysfunction, infections or connective tissue disorders are responsible for heart block, then appropriate laboratory studies should follow.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aarti Narayan, M.B.B.S [2], Edzel Lorraine Co, DMD, MD[3]