passmed Flashcards
at what aortic gradient is aortic valve replacement considered
50mmHg
what should be started alongside methotrexate
folic acid
what is commonly given for nephrotic syndrome
furosemide
what common medication needs to be stopped before a scan with contrast
metformin
how to calculate serum osmolality
(2 x Na) + urea + glucose
what is the initial abx of choice for MRSA cellulitis
vancomycin
what does sudden onset vision loss, presence of afferent pupilllary defect and red spot on fundoscopy (cherry red spot) suggest?
central retinal artery occlusion
what marker best demonstrates the restoration of liver synthetic function
PT
what can ethambutol (anti-TB) cause
optic neuritis (needs monitoring of visual acuity)
what diametres of AAA require what treatment
3-4.4 cm = USS yearly
4.5-5.4 = USS every 3m
>5.5 = surgery
what drug can cause ankle swelling
CCB - amlodipine
what is the presence of a rash with folliculitis on the chest a prominent feature of
late stage HIV
what is strep pneumoniae
gram positive cocci arranged in pairs
what is the most appropriate management for neuropathic bladder in an MS patient
intermittent self catheterisation
side effects of TB meds
Rifampicin can present with red/orange discolouration of urine (R=Red)
B. Isoniazid with peripheral neuropathy, (Per-isonaiaside- neuropathy)
C. Pyrazinamide with hyperuricaemia causing gout (Hy-pyraz-uracaemia)
D. Ethambutol affecting the eyes (colour blindness and visual acuity). (E=Eyes)