Cardiology Investigations

Question 1

what gives you yellow vision?

Answer 1

digoxin toxicity

Question 2

BNP used when?

Answer 2

acute dyspnoea

elevated = worsening heart failure

Question 3

if you can’t exercise for a stress echo what can you use?

Answer 3

dobutamine stress echo

Question 4

what is contrast echo with agitated saline?

Answer 4

bubble study for PFOs

Question 5

what is contrast echo with trans pulmonary contrast agent for?

Answer 5

• endocardial border visualisation
• LV EF
• wall motion abnormalities

Question 6

what bruce protocol?

Answer 6

• 7 stages
• 3 minutes
• speed and grade increase

Question 7

what are contraindications to stress testing?

Answer 7

acute MI
aortic dissection
pericarditis
myocarditis
PE
Severe AS, material HTN
can't exercise adequately

Question 8

what is duke treadmill score?

Answer 8

prognostic for 1-year mortality:
>5: 0.25%
4to -10: 1.25%
>-11: 5.25%

Question 9

if you have a normal stress echo or nuclear perfusion, chances of mortality?

Answer 9

<1%

Question 10

Swan-ganz catheter for?

Answer 10

• right heart study

- status in shock: valves/tamponade

Question 11

angio, what is significant CAD stenosis?

Answer 11

> 70% narrowing of luminal diameter

Question 12

CTCA sensitivities/specificities?

Answer 12

Sens: 85%
Spec:90%
to find >50% stenosis