IM-1 Flashcards
Why do each of the following sx in CHF occur? - fatigue - S3 gallop - inspiratory rales - JVD -Kerley B lines -
- poor
What CD 4 count must a patient be above to receive the MMR vaccine?
CD4>500
Involuntary bladder neck and urethral spasm secondary to prostate inflammation
prostatodynia
RBCs in urine is pathognomonic for what?
glomerulonephritis
What are side effects of Zidovudine?
anemia and leukopenia
What is often the first sign of a STEMI
peaked T waves
What is Insulin’s role in treating pt in DKA?
First give IVF
Insulin breaks the pathologic process by inhibiting hormone sensitive lipase which is the enzyme responsible for fatty acid liberation causing ketone synthesis.
Why does K need to be given with insulin?
Insulin drives K into cells so giving K prevents hypokalemia.
What EKG/dz findings are associated with each of the following? COPD? Nonsustained VT? Hyperthyroidism? Digitalis toxicity?
COPD = Multifocal atrial tachycardia
Non VT = ischemic heart dz is most common
Hyperthyroidism = afib
Dig tox = junction or atrial tachycardia (narrow complex, regular morphology)
Bilateral symmetric muscle weakness that improves with muscle use caused by a paraneoplastic small cell lung cancer
Eaton Lambert
What are some causes of QT prolongation?
TCAs
hypocalcemia
hypomagnesemia
hypokalemia
phenothiazines
type IA (procainamide, qunidine, dysopyramide)
type III antiarrythmics (amioderone, sotalol)
What is the incubation period of staph aureus vs bacillus cereus?
staph = 30 min-6h
b.cereus = 1-6 hours
mayo products vs rice products can differentiate too*
What dz’s could speckled ANA be positive in?
SLE
RA
Srojen’s
mixed connective tissue disease
*negative anti-smith doesn’t r/o SLE
What positive labs can you expect in Primary biliary cirrhosis?
+ Cytoplasmic ANA
Abnormal LFTs
What anti bodies are positive in SLE?
+ homogenous or peripheral ANA
+anti-ds DNA
+Speckled ANA
+/- Anti-smith
If anti-smith is -, anti-SSA, SSB or RNP may be positive.
