8 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency - Cobalamin ... Stomach: Pernicious anemia ... Gastritis Other: Medications ... #differential #
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... Vit B12 - aka cobalamin ... • Common Causes ... gastric acidity, medications ... Deficiency #diagnosis #management
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Iron-deficiency anemia ... without discernable cause ... microscopic colitis Differential ... Autoimmune • CVID • Medications ... Diagnosis #Algorithm #gastroenterology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... family history - Medications ... changes), high MCV anemia ... When do you do a BM ... Platelet #Disorders #Differential
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Toxic injury to BM ... and petechiae Causes ... - Antithyroid medications ... Parvovirus B19 - EBV ... hematology #diagnosis #management
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... alcohol - Medications ... (COVID19, CMV/EBV ... Subacute to Chronic Causes ... #Elevated #CK #differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... Weight loss • Anemia ... Immune hemolytic anemia ... Immunohistochemical studies (to differentiate ... hematology #oncology #management
Polymyalgia Rheumatica (PMR) Diagnosis and Management Summary

WHAT?
 • Polymyalgia rheumatica (PMR) is a common systemic inflammatory
Diagnosis and Management ... disease of unknown cause ... • Normocytic anemia ... normal and can help differentiate ... months (until the medication