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Wheeless' Textbook of Orthopaedics
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Class IV Agents



  - Verapamil
  - Diltiazem
  - Nifedipine
  - Nicardipine


- Drug Considerations:
    - Ca-channel blockers are effective & well tolerated;
    - calcium blockers are recommended to control angina & may reduce incidence
              of unstable angina in pts with non-Q wave infarctions;









Original Text by Clifford R. Wheeless, III, MD.