14 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... • Drugs Oval Macrocytes ... • Dietary Deficiency ... and Folate Deficiency
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
evaluation of macrocytic ... the most likely cause ... recovery also causes ... of the initial work-up ... deficiency.
FAT RBC Mnemonic for Causes of Macrocytic Anemia
(MCV > 100)

F - Folate (Fetus) and B12 Deficiency
FAT RBC Mnemonic ... for Causes of Macrocytic ... B12 Deficiency ... #Causes #Macrocytic ... #Anemia #Differential
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Fatigue and IBD ... and IBD Pearls: ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... /other causes
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... : • Vit B12 - aka ... • Common Causes ... : • Worsening macrocytic ... diarrhea related to IBD
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Influenza, EBV, PNA ... valves, COPD, ILD ... , OSA, pHTN, Anemia ... #Diagnosis #causes ... #neurology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... common cytopenia: Macrocytic ... Nutritional: vitamin B12 ... Workup: • Complete ... blood count with differential
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... malignancy, or thiamine deficiency ... 30mmHg) - Severe anemia ... effect - Thiamine deficiency ... Acidosis #Elevation #Differential
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
• Reticular/AMA ... PBC/SjS OS - AMA ... body-like: - Neurologic ... ARUPConsult @ARUPLabs #ANA ... Cytoplasmic #Patterns #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Check Vitamin B12 ... • Infectious causes ... • Nutritional Deficiency ... diagnosis #management #neurology ... #differential