5847 results
Etiologies of Vitamin B12 Deficiency
 • Inadequate intake - Rare but seen in very strict vegans
of Vitamin B12 Deficiency ... with vitamin B12 deficiency ... • Deficient intrinsic ... parietal cells by autoantibodies ... #differential #diagnosis
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... small intestine), autoantibodies ... consider other diagnosis ... B12 #Cobalamin #Deficiency ... #diagnosis #management
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
titers of adrenal autoantibodies ... distinguish between ACTH deficiency ... pituitary) and deficiency ... Evaluation #laboratory #diagnosis
Autoimmune Gastritis - Pathophysiology

Anti-ParietaI Cell, CD4+ T Cells, Autoantibodies -> x Parietal Cells, x HCL, x
CD4+ T Cells, Autoantibodies ... Pathophysiology #b12 #deficiency
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
to 50X ULN • Autoantibodies ... to 50X ULN • Autoantibodies ... Associated Features: Diagnosis ... over years, often diagnosed ... #differential #diagnosis
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
Diagnosing Vitamin ... and/or Folate Deficiency ... inadequate to diagnosis ... deficiency. ... #Diagnosis #Nutrition
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Anti-Ro/SSA autoantibodies ... Differential Diagnosis ... disease • Prolidase deficiency ... Erythematosus #Diagnosis
Systemic Sclerosis Associated Autoantibodies
Anti-topoisomerase I (anti-Sc170): Diffuse skin disease, Pulmonary fibrosis
Anti-centromere: Limited skin disease (~93-95%), Pulmonary
Sclerosis Associated Autoantibodies ... Systemic #Sclerosis #Autoantibodies ... #diagnosis #rheumatology
Hypoglycemia Differential Diagnosis and Workup Algorithm
Firstly check if it is true (Whipple's triad).
After that, check labs
Hypoglycemia Differential Diagnosis ... ketone bodies, autoantibodies ... #Differential #Diagnosis
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in ... RheumOnePagers #Autoantibodies ... #Rheumatology #diagnosis