Table 7 Comparison between adenosine and dipyridamle characteristics
| Â | Adenosine | Dipyridamole |
|---|---|---|
Duration of action | 30 sec | 30 min |
Time to max. Effect | 30–55 sec | 6–16 min |
Advantage | Short action, short-lasting adverse effects | prolonged action allow to assess CFR and wall motion abnormalities during the same examination |
Disadvantage | Frequent- hyperventilation Rare – bradycardia, AV block, hypotension, flushing, headache, | possibility of antidote-resistance prolonged ischemia, hypotension, flushing, headache, hyperventilation, |