Syncope

From IDWiki

Definition

  • Transient loss if consciousness that spontaneously resolves without deficits

Differential Diagnosis

  • Cardiac
    • Arrhythmias
    • Valvular
      • Aortic stenosis
      • Mitral stenosis
    • Myocardial
      • Myocardial infarction
        • Inferior (vascular distribution affects conduction)
        • Large left coronary
      • Hypertrophic obstructive cardiomyopathy (HOCM)
    • Pericardial
      • Cardiac tamponade
  • Neurological
    • Seizure
    • Stroke
  • Reflex
  • Vasovagal
  • Carotid sinus hypersensitivity
  • Situational
  • Orthostatic
  • Hypovolemic
  • Drugs
    • Diuretics
    • CCBs
    • Beta blockers
  • Dysautonomia
    • Diabetes mellitus
    • Parkinson's
    • Age
  • Other
    • Respiratory
      • Pulmonary embolism
    • Psychiatric

Red flags