2864 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin B12 ... : SIBO, Celiac disease ... gastrectomy, H. pylori infection ... , B12 malabsorption ... BrighamChiefs #Vitamin #B12
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... nodosa, SLE • Infectious ... Other: Vitamin B12 ... Demyelinating #Diseases
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... and Autoimmune Diseases ... consumption • Vitamin B12 ... deficiency Infections
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Anemia of Chronic Disease ... Renal Disease, Liver ... Disease, Endocrinopathy ... Inflammation, Chronic Infection ... (>100 fL) • B12
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Macroangiopathic, Infections ... Folate deficiency, B12 ... Non-megaloblastic: Liver disease
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... Chronic kidney disease ... (e.g. cancer, infection ... G6PD deficiency), Infections
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
super-antigen mediated disease ... Check Vitamin B12 ... Pallidum - Lyme Disease ... MCTD - Bechet disease ... Deficiency: - Vitamin B12
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Legg-Calve-Perthes disease ... Leg Pain: • Infection ... Neuropathy (DM, Vit B12 ... entrapment • Infections ... - HIV - Lyme disease
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
• Inflammatory/Infectious ... Cuffitis, Crohn's disease ... Bone loss, Vit D/B12 ... stone, Celiac disease
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
to asymptomatic infection ... similar to those of B12 ... Comprehensive Review of Infectious ... Diseases - https