Miscellaneous Flashcards
Main reservoir for magnesium
Intracellular in bone/muscles
Main absorption site magnesium
Small intestine by passive paracellular diffusion
Main site of renal magnesium reabsorption
TALOH
Main effect of magnesium on muscle
Calcium uptake by sarcoplasmic reticulum
CKD effect on magnesium
Usually high
3 meds causing magnesium wasting
Aminoglycosides
CNIs
Cisplatin
Best Rx chronic insomnia
CBT
Varenicline or bupropion for smoking cessation, which is better?
Vareniclin
Fasted component of Wernicke’s to resolve with thiamine replacement
Occular palsies
Fabry’s diease is deficiency of:
Alpha-galactosidase A
Mode of inheritance Fabry’s
XLR
In Fabry’s, what accumulates in tissues:
Glycosphingolipid
Manifestations of Fabry’s
Neuropathy, renal failure, cerebrovasc disease, angiokeratomas
Rx Fabry’s
Alpha-gal A enzyme replacement
ECG findings in hypothermia
J-waves (Osborne waves)
Others - absent P waves, prolonged PR/QRS/QT
Best opioids in renal failure:
Fentanyl, bup, methadone
Best opioids in liver failure
None, avoid if possible
Max dose Targin before switch to oxycontin
40/20 BD
Receptors for vestibular mediated nausea
ACh, H1
CTZ nausea receptors
5HT3, D2
Vagal afferent receptors for nausea from distention:
5HT3/4, D2