cardiac drugs: positive inotropic drugs

Question 1

this is the newest inotropic drug that is also a vasodilator

Answer 1

Pimobendan

Question 2

this drug is not used as often now; it’s mostly been replaced by the other

Answer 2

Digoxin

Question 3

this increases intracellular calcium sensitivity

Answer 3

Pimobendan

- makes more Ca available

Question 4

this is the older inotropic drug

Answer 4

Digoxin

Question 5

makes more calcium available inside cardiac muscle cells to improve contraction

Answer 5

Digoxin

Question 6

this is used to treat CHF due to dilated cardiomyopathy or valve insufficiency

Answer 6

Pimobendan

- valve disease is more common in animals

Question 7

this can be safely used in conjunction with other cardiac drugs

Answer 7

Pimobendan

Question 8

this enhances the PNS effect on the heart (HR slows)

Answer 8

Digoxin

Question 9

this drug has a narrow therapeutic range

• Adverse effects include anorexia, vomiting, diarrhea, arrhythmia

Answer 9

Digoxin