Ino All The Answers

Question 1

What are 3 drugs that increase inotropy?

What receptors do they act on?

Answer 1

Adrenaline - beta receptors

Dobutamine -

Question 2

Noradrenaline acts on what receptor at low/normal doses?
What does this do?
What receptor does it act on at higher doses?
Complications of norad?

Answer 2

Alpha 1
Increase systemic vascular resistance
High dose - Beta
Complication - reflex bradycardia, hypertension, peripheral ischaemia

Question 3

Dobutamine

• what class is this drug?
• what receptors?
• complications?

Answer 3

Class = synthetic catecholamine 
Receptors = beta 1 and 2 
Complications = myocardial ischaemia, arrhythmias

Question 4

What is the dose of adrenaline in an infusion?

Answer 4

0.1-1mcg/kg/min