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Guidelines for sites linking to mayoclinic.org| Class | Example | Mechanism | Side Effects |
|---|---|---|---|
| Beta-Blocker | Propranolol Metoprolol Atenolol |
Slow heart rate Decrease contraction |
Heart rate too slow Blood pressure too low Fatigue Nightmares Impotence |
| Calcium Blocker | Verapamil Nifedipine Diltiazem |
Slow heart rate Decrease contraction Relax heart muscle |
Heart rate too slow Blood pressure too low Swelling Constipation Fatigue |
| Gp I Antiarrythmic | Disopyramide | Decrease contraction Prevent abnormal rhythms |
Dry mouth Urinary retention |
| Gp III Antiarrythmic | Amiodarone | Slow heart rate Prevent abnormal rhythms |
Skin pigment(stay out of sun) Lung abnormalities Thyroid abnormalities |
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