Premature atrial contraction laboratory findings

Premature atrial contraction Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Mugilan Poongkunran M.B.B.S [2]

Overview

Many cases of premature atrial contraction have no definite cause, it may be the result of various other problems. If PAC patients present with symptoms, a generalized approach is done to find the precipitating factors.

Laboratory Findings

The following investigations are done to patients with symptoms :

• Renal function and electrolytes
• Complete blood count
• Thyroid-stimulating hormone (commonly suppressed in hyperthyroidism and of relevance if amiodarone is administered for treatment)