Atrioventricular block laboratory findings: Difference between revisions
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==Overview== | ==Overview== | ||
Laboratory studies are especially important to exclude reversible causes of atrioventricular block, for example electrolyte imbalances and medications. | Laboratory studies are especially important to exclude reversible causes of atrioventricular block, for example electrolyte imbalances and medications. | ||
==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. | |||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 00:19, 9 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aarti Narayan, M.B.B.S [2]
Overview
Laboratory studies are especially important to exclude reversible causes of atrioventricular block, for example electrolyte imbalances and medications.
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.