Relative bradycardia


  • Typhoid fever (enteric fever)
  • Legionnaire’s disease
  • Brucellosis
  • Leptospirosis
  • Psittacosis
  • Q fever
  • Viral hemorrhagic fever, eg, yellow fever
  • Infections affecting cardiac conduction: acute rheumatic fever, viral myocarditis, Lyme disease, endocarditis
  • Noninfectious causes: intrinsic cardiac conduction disease, beta blockers, calcium channel blockers, drug fever, neoplasm (eg, lymphoma), factitious fever, CNS lesion

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Last updated: December 1, 2014