Hematology
Mucocutaneous bleeding, normal platelet count and coagulation tests
Qualitative platelet disorder
Warfarin-related life-threatening bleeding treatment
Four-factor PCC
Most common cause of hypoparathyroidism
Neck surgery–associated injury
Initial testing for primary aldosteronism
Plasma aldosterone concentration and plasma renin activity measurement
Cause of airway obstruction in relapsing polychondritis
Involvement of tracheal rings
Adjunct to autologous HSCT and chemotherapy to prolong survival in MM
Bisphosphonate
Acute promyelocytic leukemia treatment
All-trans retinoic acid and arsenic trioxide
Nonpituitary endocrine cause of hyperprolactinemia
Hypothyroidism
Most common cause of primary amenorrhea
Gonadal dysgenesis (e.g. Turner syndrome)
An infectious cause of mixed cryoglobulinemia
Hepatitis C virus infection
Pancytopenia, promyelocytes, and DIC
Acute promyelocytic leukemia
Management of liver disease, hypofibrinogenemia, active bleeding
Cryoprecipitate
Treatment of men with biochemically proven hypogonadism
Testosterone therapy
Empiric levothyroxine dose change during pregnancy
30% increase
Treatment of suspected giant cell arteritis
Immediate high-dose glucocorticoids
Hemoglobin transfusion threshold for most patients
<7 g/dL
Erythrocytosis, positive JAK2
Polycythemia vera
Prophylaxis for glucocorticoid-related osteoporosis
Bisphosphonate, denosumab
Timing of infertility evaluation in women <35 years
≥1 year of regular unprotected intercourse
Most specific serologic test for RA
Anti–cyclic citrullinated peptide antibody
Vitamin K deficiency–related coagulation profile
Elevated PT, normal or mildly elevated aPTT
Treatment of complement-mediated HUS
Eculizumab
Imaging test for thyroid nodule with normal TSH
Ultrasonography
T1DM antibody testing in new diagnosis
Glutamic acid decarboxylase (GAD)
SNRIs approved for fibromyalgia
Duloxetine and milnacipran