18 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Stomach: Pernicious anemia ... Gastritis Other: Medications ... #Cobalamin #differential
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
disease • Iron-deficiency ... anemia unresponsive ... without discernable cause ... microscopic colitis Differential ... Autoimmune • CVID • Medications
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Mental Status - Differential ... Electrolyte disturbance, Uremia ... Hypercarbia, Vitamin deficiency ... Abscess • Toxic: Medications ... #Diagnosis #Causes
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
and petechiae Causes ... , GATA2 deficiency ... , CTLA4 deficiency ... - Antithyroid medications ... hematology #diagnosis #management
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... (COVID19, CMV/EBV ... - Vit D/E deficiency ... - Medications ... #Elevated #CK #differential
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Spoon-shaped • Iron deficiency ... anemia Onycholysis ... Discoloration • Medications ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Nutritional: DiabetesB12 deficiency ... , Uremia/ESRD, Hypothyroidism ... • Medication-induced ... Peripheral #Neuropathy #differential ... #diagnosis #causes
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
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... workup, including BM ... Acute hemolysis, deficiency ... anemia, Rebound ... • Reaction to Medications
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... • Common Causes ... gastric acidity, medications ... B12 #Cobalamin #Deficiency ... #diagnosis #management