Second degree AV block laboratory findings

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

Overview

Laboratory findings

Patients with second degree AV block should be checked for the following laboratory tests:[1]

  • Serum electrolytes
  • Calcium
  • Magnesium
  • Myocardial enzymes in patients with myocardial infarction
  • Myocarditis related laboratory tests as the following:[2]
    • Lyme titers
    • HIV tests
    • PCR for enteroviruses
    • Chagas titers

References

  1. Gupta PK, Lichstein E, Chadda KD (1976). "Chronic His bundle block. Clinical, electrocardiographic, electrophysiological, and follow-up studies on 16 patients". Br Heart J. 38 (12): 1343–9. doi:10.1136/hrt.38.12.1343. PMC 483178. PMID 1008977.
  2. Steere AC, McHugh G, Damle N, Sikand VK (2008). "Prospective study of serologic tests for lyme disease". Clin Infect Dis. 47 (2): 188–95. doi:10.1086/589242. PMC 5538270. PMID 18532885.

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