Week 2 Flashcards
What is it called if the pericardium fills with blood?
Haemopericardium
What is the anatomical significance of the right coronary groove
Surface marking for the tricuspid valve
What is the anatomical significance of the anterior intraventricular groove
Marks the boundaries between the two ventricles
Where does the coronary sinus drain to?
The right atrium
What do we use diuretics for?
Block Na reabsorption in kidneys
Can be used in heart failure and hypertension
What do we use beta blockers for?
- Long-term treatment of heart failure
- Angina
- Hypertension
- thyrotoxicosis
Under what circumstances would we use a calcium antagonist?
- Hypertension
- Angina
> NOT SUITABLE TREATMENT FOR HEART FAILURE
When would it be suitable to use a ACE inhibitor?
Hypertension and heart failure
NEVER USE DURING PREGNANCY
What is a Mobitz type I block
PR interval gradually increases from cycle to cycle until AV node fails completely and a ventricular beat is missed
What is a Mobitz type II block?
PR interval is constant but every nth. ventricular depolarization is missing
What happens during complete block (3rd degree block)
No impulses are conducted through the affected area – example Third - degree AV bloc
What is an accessory tract pathway?
Some individuals possess electrical pathways that bypass the AV node
- A common pathway is the bundle of kent
Name two class 1 drugs that affect rhythm control
flecainide
propafenone
Name two class III drugs that affect rythm control
amiodarone
sotalol
Name two class II drugs that affect rate control?
propranol
atenolol