Cardio 5 Flashcards
In african / caribbean patients when initiating second line antihypertenisve
should you start a ACEi / ARB?
ARB - losartan
biggest risk factor for aortic dissection?
HTN
bicuspid aortic valve
collagens: Marfan’s syndrome, Ehlers-Danlos syndrome
Turner’s and Noonan’s syndrome
pregnancy
what is aortic dissection?
tear in the tunica intima of the wall of the aorta
INR 5.0-8.0 (no bleeding)
withhold warfarin 2 doses maybe
INR >8 and not bleeding
oral vitamin K
stop warfarin
holosystolic murmur
no change with inspiration
high pitched and blowing in character?
mitral regurgitatiopn
Beta-blockers should only be stopped in acute heart failure?
HR <50
2/3 degree heart block
shock
All patients with suspected chronic heart failure should have
NT-proBNP test
what are the indications for emergency valve surgery in infective endocarditis?
severe valvular incompetence
aortic abscess (often indicated by a lengthening PR interval)
infections resistant to antibiotics/fungal infections
cardiac failure refractory to standard medical treatment
recurrent emboli after antibiotic therapy
why does MI cause acute mitral valve regurgitation?
rupture of the tendinous cords that usually hold the valve in place
subclavian steel syndrome
posterior circulation symptoms
dizziness and vertigo
percutaneous transluminal angioplasty / stent
reversal agent for dabigtran?
Idarucizumab
reversible of apixaban / rivaroxaban
andexanet alfa
Phytomenadione
vitamin K
> warfrain
HOCM
louder on valsalva
quieter on?
squatting
preload increases
increased amount of blood within the ventricles reducing the proximity of the mitral valve