2/4/13 Flashcards
Pt w/ Hx of recurrent kidney stones since childhood, positive fam Hx, hexxagonal crystals on on urinalysis, and positive cyanide nitroprusside test should point to what Dx?
cystinuria
What is the underlying problem in cystinuria?
defective transport of dibasic amino acids by brush borders of renal tubular and intestinal epithel cells.
Are the stones of cystinuria radiolucent or -opaque?
opaque
What could simultaneously cause muscle weakness/cramps and ECG changes consisting of broad, flat T-waves?
hypokalemia!
Which location of hematoma more commonly happens to young people as a result of trauma, resulting in headache, confusion, and focal neuro deficits?
epidural
_______ often presents with back pain radiating to the buttocks that interferes with walking and lumbar extension.
Lumbar spinal stenosis
What position will often help relieve the pain of lumbar spinal stenosis?
lumbar flexion
In HIT, IgG Abs are formed against complexes of heparin and what?
platelet factor-4
What coagulation time can be increased in HIT? Why?
PTT; consumption of thrombin
What are 2 big risk factors for non-alcoholic fatty liver disease?
obesity and DM II
What is thought to be the most likely mech of non-alcoholic fatty liver disease?
insulin resistance (leads to FA oxidation and subsequent inflammation)
What type of kidney stones are radiolucent?
uric acid
What is the acute Tx of uric acid stones?
Alkalinization of urine w/ potassium citrate of potassium bicarb
What is the preferred Tx for pregnant or lactating women w/ early localized Lyme disease?
Amoxicillin