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 ... Stomach: Pernicious anemia ... #Deficiency #Cobalamin ... #differential #
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... vitamin B12 intake ... #low #cobalamin ... #differential #
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... • Common Causes ... intrinsic factor, IF) Clinical ... parasthesias, gait ... #Cobalamin #Deficiency
Causes of Metabolic Acidosis with Elevated Anion Gap - Differential Diagnosis Algorithm
Elevated Anion Gap > 12
Causes of Metabolic ... Elevated Anion Gap > 12 ... (Gain of H+) - ... Salicylate poisoning Lactic ... #Differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Acidosis - Differential ... malignancy, or thiamine deficiency ... 30mmHg) - Severe anemia ... effect - Thiamine deficiency ... Acidosis #Elevation #Differential
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
fatigue despite clinical ... Crohn's > UC Anemia ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... /other causes
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Clinical Presentation ... and petechiae Causes ... , GATA2 deficiency ... , CTLA4 deficiency ... propylthiouracil) - β-lactam
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Phosphatase Of Clinical ... • Pernicious anemia ... /B12 deficiency ... ) - Waddling gait ... Phosphatase: • Other causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... HIV) - Vitamin B12 ... , Copper deficiency ... syndromes #lesions #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... of injury • Gait ... Non-compressive Spinal Cord Causes ... myelopathy - Vit B12 ... disorders #diagnosis #neurology