Types of Drugs

Question 1

Heart failure compensation accelerates failure bc the increased work load increases oxygen demand. As failure is accelerated, what 3 complications occur

Answer 1

1. Renal hypoperfusion
2. Edema (pulmonary or systemic)
3. Cardiac muscle damage

Question 2

Drug therapy cannot cure the heart, therefore drug therapy must be…

Answer 2

Constant and consistent

Question 3

Drug therapy is common in ____________ ___________ and some horses

Answer 3

Small animals

Question 4

5 objectives of cardiovascular drug therapy

Answer 4

1. Decrease cardiac workload
2. Decrease clinical signs
3. Increase CO
4. Maintain BP + perfusion
5. Improve/ maintain QOL

Question 5

3 types of cardiovascular drugs

Answer 5

1. Chronotropic
2. Inotropic
3. Dromotropic

Question 6

Chronotropic drugs effect the heart _____________ and can be positive or negative

Answer 6

Rate

Question 7

Inotropic drugs effect the heart _____________ and can be positive or negative

Answer 7

Contractility

Question 8

Dromotropic drugs effect the heart _____________ and can be positive or negative

Answer 8

Conduction

Question 9

Two drug categories that are positive inotropes

Answer 9

Cardiac glycosides (fox glove plants)
Catecholamines

Question 10

What are three catecholamines (pos inotropes and sympathomimetics)

Answer 10

1. Epinephrine
2. Dopamine
3. Dobutamine