Cardiovascular
Verapamil
Isoptin SR
Generic nameVerapamil
Brand nameIsoptin SR
Medication classNon-dihydropyridine calcium-channel blocker
Typical adult example120–240 mg
FrequencyOnce or twice daily
Common uses
Recognition cues
- Rate control
- Angina
- Hypertension
EMS relevance
Assessment context
- May cause bradycardia, heart block or hypotension.