CC: cardio therapeutics

Question 1

why should you not prescribe NSAID and anticoagulant such as warfarin?

Answer 1

can lead to GI bleed

Question 2

max dose of paracetamol for pt over 50kg

Answer 2

1g QDS

Question 3

what drug can cause renal dysfunction in elderly?

Answer 3

NSAIDS

Question 4

how does digoxin toxicity present in ECG?

Answer 4

Digoxin toxicity gives rise to frequent premature ventricular contractions (PVCs), sinus bradycardia, and AV block. and ST depression

Question 5

Sx of digoxin toxicity?

Answer 5

altered bowel funciton, visual disturbance, headache

Question 6

how to confirm digoxin toxicity?

Answer 6

Digoxin levels are measured six hours post an oral dose and an elevated level above the therapeutic would confirm toxicity

Question 7

why do you give digoxin for pulmonary oedema

Answer 7

Intravenous digoxin is useful for rate control in the presence of fast atrial fibrillation and flutter and can also have a positive inotropic effect in acute pulmonary oedema.

Question 8

What is the recommended therapeutic plasma concentration of Digoxin?

Answer 8

1-2 mg/L

Question 9

how does warfarin work

Answer 9

antagonising effect of vit K. not given IV

Question 10

how does warfarin work

Answer 10

antagonising effect of vit K. not given IV

Question 11

what is INR and when is it increased

Answer 11

measurement of extrinsic coagulation pathway.
increased in presence of chronic liver disease, increased in pt taking oral anticoagulation

Question 12

analgesia post op

Answer 12

morphine sulfate, paracetamol, dihydrocodeine. avoid co- analgesices
NSAIDS and SABA issues in regard to bronchospasm but not contraindicated