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What does polychromasia on a blood smear indicate?
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Read more“When a patient comes in with LGIB, what needs to be ruled out first and how is this done?”,”After resuscitation, r/o UGIB. 1) NG tube (blood = UGIB, clear with no bile = move to EGD
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Read moreWhat are 2 DDx of fragmented cells on a blood smear?,”Schistocytes, helmet cells, suggestive of:MAHA (DIC, TTP
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Read moreHow do we approach investigating a patient with ACTIVE LGIB?,”First, r/o hemorrhoids and UGIBBleeding > 2 mL/min (1 unit RBC/4hrs)1. Angiography (very specific, can treat with pressors and gel foams on the spotBleeding < 0.5mL/min1. Wait for bleeding to stop, then colonoscopy (very specific)Bleeding in between1. Tagged RBC scan (sensitive, 0.1 mL/min, but must be actively bleeding)
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Read moreWhat are 3 DDx of target cells on a blood smear?,”1. Liver disease (obstructive jaundice, hepatitis – leads to more cholesterol than phospholipids)2. Hemoglobinopathies – Thalassemia (not enough Hgb
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Read moreWhat are the 4 most common painful cases of adult LGIB?
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Read moreWhat are 3 DDx of Rouleaux on a blood smear?,”Stacking RBC, suggestive of inflammatory reaction, resulting in high ESRCauses include hypergammaglobuinemia, infections, CT dz
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Read moreWhat is the triad of intussuception?
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Read moreWhat is the best investigation for suspected intussusception?,”Air or barium enema – diagnose and treat. (CI if perforated, complete obstruction
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