Adenosine

Category of DrugAntiarrhythmic Drugs
Mechanism of Action 
IndicationsAdenosine is used as
1. Coronary vasodilator
2. paroxysmal supraventricular
tachycardia
3. cardiac imaging for
coronary artery disease
4. angina pectoris
Well Known
Pharmaceutical Brands
 
Available dosage forms1. TABLETS
2. INJECTIONS
DoseAdenosine is taken orally; 40 to 80 mg, 3 to 4 times daily. The Maximum daily dose is 480 mg/
day
ContraindicationsSecond- or third-degree AV block and sick
sinus syndrome (unless pacemaker fitted),
acute myocardial infarction, cardiovascular
shock; asthma
Precautions 1. Atrial fibrillation or flutter
2. heart transplant;
3. pregnancy
Adverse Effects 1. chest pain
2. Transient facial flush
3. bronchospasm
4. dyspnoea
5. nausea
6. severe bradycardia
Pregnancy Category C

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