18 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Decreased Intake Pancreas ... : SIBO, Celiac disease ... Stomach: Pernicious anemia ... , Bypass/gastrectomy ... #diagnosis #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... changes), high MCV anemia ... vegan, gastric bypass ... #Diagnosis #Causes ... #Workup #hematology
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... Vitamin D - Bone disease ... • Thiamine - Nausea ... nutrition #table #differential ... #diagnosis #bariatric
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Diagnosis Algorithm ... Pneumonectomy • Trapped lung ... #Algorithm #Hepatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Leukocytosis, anemia ... seen • Chest CT ... Abscess Differential ... Abscess #pulmonary #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... autoimmune hemolytic anemia ... DDX - Other causes
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hallmark for the disease ... result in severe anemia ... immune hemolytic anemia ... WBC count and differential ... #Workup #Hematology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... Other tests: • CT ... Goodpasture's cause ... sparing of the lung ... seen on chest CT
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Bone Marrow - Anemia ... Lung Disease: ... Imaging, high res CT ... NTM #Infections #differential
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... , this list is long ... can drive this disease ... As with many disease ... #workup #hematology