Cardiovascular physiology Flashcards
1
Q
What is the process by which calcium entering the cardiac cell during the plateau phase inducing contraction?
A
Excitation contraction coupling
2
Q
What channels does the calcium enter the cytosol through?
A
L - type calcium channels
3
Q
Define an innocent murmur
A
This is a benign murmur that may be present not due to structural defects. Most commonly caused by:
- high cardiac output states
- pregnancy
- anaemia
4
Q
What drug choice will have negative chronotropic and inotropoic effects?
A
verapamil
5
Q
What is the Gold standard test for analysing coronary artery disease?
A
Coronary angiography
6
Q
what receptor does neuropeptide Y bind to?
A
P2X ion channel
7
Q
What is angiotensin II?
A
Peptide hormone