IM COMAT Flashcards
Symptoms of acute angle glaucoma
rapid onset of severe eye pain
halos around lights
affected eye’s pupil will be dilated and poorly responsive to light
nausea and vomiting
headache
vision loss in 2-5 hours of symptom onset
Symptoms of optic neuritis and what it indicates
acute vision loss pain afferent pupillary defect Most common in women age <50 initial presentation of multiple sclerosis
What medications are shown to improve long-term survival in patients with LV systolic dysfunction?
ACE inhibitors, ARBs, beta blockers, mineralocorticoid receptor antagonists (eplerenone, spironolactone) and hydralazine/nitrates only in African Americans
Symptoms of chronic pancreatitis
Chronic epigastric pain with pain-free intervals, malabsorption (steatorrhea, weight loss), diabetes mellitus
how do you diagnose chronic pancreatitis?
CT scan looking for calcifications
What should you think in a patient with pancytopenia, thrombosis, and hematuria in the mornings? What causes this? How do you diagnose it?
paroxysmal nocturnal hemoglobinuria
caused by deficiency of CD55 and CD59 on cell surface
Diagnose with flow cytometry
schistocytes and helmet cells indicate what?
microangiopathic hemolytic anemia
What are the three types of microangiopathic hemolytic anemia?
DIC, HUS, TTP
What are the two disorders you should think of with spherocytes and/or elliptocytes?
hereditary spherocytosis/autoimmune hemolytic anemia
What disorder should you think of with bite cells and Heinz bodies?
G6PD deficiency
What should you think of with a patient with an increased LDH, decreased haptoglobin, anemia, splenomegaly and/or jaundice?
hemolytic anemia
What test diagnoses autoimmune hemolytic anemia?
Coomb’s test
What blood test diagnoses hereditary spherocytosis? What makes the definitive diagnosis?
osmotic fragility test; the definitive diagnosis is made by the presence of Howell-Jolly bodies on smear
What is the most common cause of asymptomatic microcytic anemia in an Asian patient?
alpha thalassemia
What are classic B symptoms and what do they indicate?
fever, pruritus, fatigue, night sweats, weight loss
indicate Hodgkin’s lymphoma
How do you diagnose Wegener’s granulomatosis?
biopsy of lung nodule
What chemotherapy drug can cause hearing loss and chronic kidney disease?
carboplatin
What chemotherapy drug can cause an acute gout attack?
6-mercaptopurine
What chemotherapy drug can cause pancytopenia and abortions?
methotrexate
What chemotherapy drug used to treat breast cancer can cause hot flashes and increase risk of endometrial cancer?
tamoxifen
What chemotherapy drug can cause acute renal failure and thrombocytopenia?
mitomycin
What chemotherapy drug can cause glove and stocking paresthesias?
vincristine
p-ANCA, asthma, eosinophilia
Churg-Strauss
c-ANCA, sinus, kidney, lung involvement
Wegener’s
Child with hematuria after an infection with arthralgias, purpura, and abdominal pain
Henoch-Schonlein Purpur
p-ANCA, no lung involvement, and they might have HepB
PAN (polyarteritis nodosa)
What is the treatment of TTP? What are the levels of coagulation factors?
emergent plasmapheresis (do NOT give platelets), normal coagulation factors
best test to find kidney stones?
CT
kid with a family history of kidney stones will have what kind of stones?
cysteine
chronic indwelling Foley catheter with very alkaline pee will have what kind of stones?
struvite
child with leukemia being treated and develops kidney stones will be what type of stones?
uric acid stone
how do you treat small stones?
pass them
How do you treat large stones? how large is large?
> 2 cm = surgical removal
Most common cause of nephrotic syndrome in adults?
membranous
Most common cause of nephrotic syndrome in heroin user or patient with AIDS?
focal segmental glomerulonephritis
Most common cause of nephrotic syndrome associated with chronic hepatitis?
membranoproliferative
A nephrotic patient suddenly develops flank pain. What are you worried about? Why?
renal vein thrombosis, they are peeing out coagulation factors
What will the TIBC in anemia of chronic disease?
low TIBC
What will the TIBC in iron deficiency anemia? What about ferritin?
high TIBC, low ferritin
What are you thinking if your patient has high homocysteine but normal methylmalonic acid?
folate deficiency
What are you thinking if your patient has high homocysteine and high methylmalonic acid? What other symptoms might be present?
B12 deficiency, neurological symptoms
anemia with high MCV and acanthocytes?
liver disease
normal MCV, high LDH, high indirect bilirubin, low haptoglobin?
hemolytic anemia
sudden onset of hemolytic anemia after taking drugs (penicillins, cephalosporins, sulfas)? Caused by what kind of immunoglobulin?
warm agglutinins, IgG (cold is caused by IgM)
large spleen, positive fam hx, bilirubin gallstones, mean cell hemoglobin is high? Treatment?
hereditary spherocytosis, splenectomy
young woman, heavy periods, recurrent epistaxis, petechiae, low platelets? Treatment?
ITP; prednisone 1st line, splenectomy 2nd
young woman, heavy periods, petechiae, recurrent epistaxis, but bleeding time and PTT are high?
von Willebrand
male, recurrent bleeding, hemarthrosis, bruising, hematuria, elevated PTT, corrected with mixing studies?
hemophilia; mixing with normal blood corrects it, means something was missing from pt’s blood
50 year old carnivore, hemarthrosis, woozing at venipuncture sites, took clindamycin
vit K def
What are the two factors not depleted in liver failure?
factor 8 and vWF (made in endothelial cells)
Treatment of DIC?
correct underlying disorder
Low platelets but clotting still?
HIT (heparin-induced thrombocytopenia)
Skin necrosis following warfarin therapy indicates what?
protein C/S deficiency
CHADS-VAC score of >/= 2, treat with what?
warfarin/newer anticoagulants
CHADS-VAC score <2, treat with what?
aspirin
Strep CENTOR criteria >/= 4, treat with what?
penicillin empirically
Strep CENTOR criteria 2-3, do what?
rapid strep test
1st line Abx for inpatient pneumonia?
fluoroquinolone
1st line Abx for outpatient typical pneumonia?
amoxicillin
1st line Abx for outpatient atypical pneumonia?
azithromycin
SIRS criteria?
temp < 36 or > 38
WBC < 4,000 or > 12,000
HR > 90 bpm
Tachypnea > 20 or PaCO2 > 32mmHg
Definition of sepsis?
SIRS + source of infection
Definition of severe sepsis?
sepsis with end organ damage or hypotension
Definition of septic shock?
sepsis + hypotension and not responding to fluid