12 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Celiac disease, IBD ... Stomach: Pernicious anemia ... #differential #
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... of the initial work-up ... deficiency. ... #AAFP
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Crohn's > UC Anemia ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... report dehydration as ... /other causes
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Mental Status - Differential ... Diagnosis • Neurologic ... Hypercarbia, Vitamin deficiency ... Mental #Status #AMS ... Diagnosis #Causes
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... 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 ... Nutritional: vitamin B12 ... or folic acid deficiency ... 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: 
   -
Scl70 (in some cases ... SLE, SjS, CTD-ILD ... , OJ, PL-7, PL-12 ... body-like: - Neurologic ... Cytoplasmic #Patterns #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Check Vitamin B12 ... • Nutritional Deficiency ... : - Vitamin B12 ... diagnosis #management #neurology ... #differential
Anosmia Causes - Principal Etiologies of Olfactory Dysfunction
For olfactory disorders (and for most taste problems), the
Anosmia Causes - ... these conditions.12 ... with memory or neurologic ... disorders #Diagnosis #Differential ... #Dysfunction #AAFP