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Flashcards in First Year Deck (14)
1

mechanism of action of dabigatran?

direct thrombin inhibitor

2

mechanism of rivaroxaban?

direct factor X inhibitor

3

mechanism of heparin?

activates anti-thrombin III

4

mechanism of clopidogrel?

P2Y12 inhibitor

5

what causes first heart sound?

closure of mitral and tricuspid valves
soft in mitral regurgitation
loud in mitral stenosis

6

what causes second heart sound?

closure of aortic and pulmonary valves
soft in aortic stenosis
often split during inspiration

7

S3 is always abnormal, true or false?

false
can be normal in people under 30 (women up to 50)

8

what causes S3?

diastolic filling of ventricles
left ventricular failure
mitral regurgitation
constrictive pericarditis

9

what causes S4?

atrial contraction against a stiff ventricle
can be heard in hypertrophic cardiomyopathy, LVH, aortic stenosis, hypertension

10

how does AF affect JVP?

absence of a waves

11

spirometry in COPD?

FEV1/FVC is reduced as there is a lerger decrease in FEV1 than FVC

12

strawberry tongue and red palms and soles of feet in a child?

Kawasaki disease

13

where does the abdominal aorta begin and terminate?

T12 - L4

14

how much bile enters the duodenum per 24 hrs?

500ml - 1.5L