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Table 1 Effects of oral therapy on stress testing sensitivity

From: Anti-ischemic therapy and stress testing: pathophysiologic, diagnostic and prognostic implications

  Exercise Dipyridamole Dobutamine
Beta-blockers ↓↓
Calcium channel blockers ↓↔
Nitrates ↓↔
Aminophylline ↓↔ ↓↓
  1. ACE, angiotensin-converting enzyme; ↓, decreased sensitivity; ↓↓ markedly decreased sensitivity; ↔, no effect on sensitivity; ↓↔, mild decrease in sensitivity.