What causes myocardial oxygen demand in unstable angina?

Updated: Oct 01, 2020
  • Author: Walter Tan, MD, MS; Chief Editor: Eric H Yang, MD  more...
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Increased myocardial oxygen demand may be caused by the following:

  • Fever

  • Tachyarrhythmias (eg, atrial fibrillation or flutter)

  • Malignant hypertension

  • Thyrotoxicosis

  • Pheochromocytoma

  • Cocaine use

  • Amphetamine use

  • Aortic stenosis

  • Supravalvular aortic stenosis

  • Obstructive cardiomyopathy

  • Aortovenous shunts

  • High-output states

  • Congestive heart failure (CHF)

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