Atrial fibrillation laboratory findings: Difference between revisions
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Revision as of 21:36, 7 January 2013
Atrial Fibrillation Microchapters | |
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Diagnosis | |
Treatment | |
Cardioversion | |
Anticoagulation | |
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Atrial fibrillation laboratory findings On the Web | |
Directions to Hospitals Treating Atrial fibrillation laboratory findings | |
Risk calculators and risk factors for Atrial fibrillation laboratory findings | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Laboratory Findings
Many cases of AF have no definite cause, it may be the result of various other problems (blood tests of thyroid function are required, especially for a first episode of AF, when the ventricular rate is difficult to control, or when AF recurs unexpectedly after cardioversion).
Renal function and electrolytes are routinely determined, as well as thyroid-stimulating hormone (commonly suppressed in hyperthyroidism and of relevance if amiodarone is administered for treatment) and a blood count.
In acute-onset AF associated with chest pain, cardiac troponins or other markers of damage to the heart muscle may be ordered. Coagulation studies (INR/aPTT) are usually performed, as anticoagulant medication may be commenced.