Cardiac Syndrome X Differential Diagnoses

Updated: Dec 24, 2020
  • Author: Subodh R Devabhaktuni, MD; Chief Editor: Richard A Lange, MD, MBA  more...
  • Print

Diagnostic Considerations

Conditions to consider in the differential diagnosis of cardiac syndrome X (CSX) include the following:

  • Epicardial artery dysfunction: Coronary artery spasm, coronary bridging
  • Gastrointestinal disorders: Reflux disease, dysmotility, and hypersensitivity
  • Inflamatory disorders: Pericarditis, myocarditis
  • Musculoskeletal disorders: Costochondritis, radiculopathy
  • Obstructive coronary artery disease
  • Psychological disorders: Panic disorder, anxiety
  • Pulmonary disorders: Pulmonary embolism, pneumonia
  • Structural cardiac problems: Hypertrophy, valvular heart disease