Bradycardia - Differential Diagnosis
• Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies, His-Purkinje fibre degeneration
• Hypoxia
• Electrolyte disturbance (e.g. hyperkalemia)
• Medications, poisonings and toxic exposures (e.g. digoxin, beta blockers, calcium channel blockers, amiodarone, clonidine, organophosphates)
• Hypothermia
• Hypothyroidism
• Raised intracranial pressure (Cushing response)
• Infections (e.g. Lyme disease, diphtheria, typhoid fever)
• Autoimmune (e.g. systemic lupus erythematosis)
• Infiltrative disorders (e.g. sarcoidosis, amyloidosis)
• Physiological causes (e.g. athletes, vagal stimuli)
Sinai Hospital of Baltimore IM Residency @SinaiBmoreIMRes
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