Palpitation laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

Laboratory investigations are often performed when a systemic/pharmacological cause of palpitations is suspected. These would be directed towards diagnosing kidney problems, pheochromocytoma, thyroid dysfunction and substance abuse.

Laboratory Findings

• Laboratory investigations are often performed when a systemic/pharmacological cause of palpitations is suspected.
• Laboratory Investigations that have proven to be diagnostic include :
  1. A complete blood count - Anemia
  2. Renal function test - Acute kidney injury, chronic kidney disease
  3. Urine catecholamines - Pheochromocytoma
  4. Thyroid function tests - Hypothyroidism, hyperthyroidism
  5. Blood sugar levels - Hypoglycemia
  6. Serum drug levels - Substance abuse (cocaine,amphetamine,and MDMA)