Chronotropic effect means:-
Effect Meaning Example Positive chronotropic Increase in hea rate Adrenaline Negative chronotropic Decrease in hea rate Acetylcholine Positive inotropic Increase in contractility Dobutamine Negative inotropic Decrease in contractility Verapamil Positive dromotropic Increase in AV conduction Dobutamine Negative dromotropic Decrease in AV conduction Vagal stimulation
Drugs affecting the contractility of hea
Drugs affecting hea rate
Drugs affecting the myocardial blood flow
Drugs affecting diastolic relaxation
CHF, Angina Pectoris and Myocardial Infarction