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 ... Pernicious anemia, Bypass ... #B12 #Deficiency ... #Cobalamin #differential
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... : • Vitamin A - ... • Thiamine - Nausea ... Deficiencies #Gastric #Bypass ... #table #differential
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... Celiac disease, Bypass ... #Differential # ... Diagnosis #Causes
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Muscle Weakness • Vitamin ... D Deficiency ... Fractures #Pathologic #MSK ... #Differential # ... #Orthopedics #Causes
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
- Differential ... Manifestations Causes ... TPN - Gastric bypass ... Malnutrition - Gastric bypass ... Manifestations #Differential
Copper Deficiency - Mechanisms
There are 2 main mechanisms of copper deficiency
Decreased intake from:
 - Gastric bypass,
Copper Deficiency ... mechanisms of copper deficiency ... from: - Gastric bypass ... UTSWIMchief #Copper #Deficiency ... #Causes #differential
Complications after Bariatric Surgery
Post Bariatric Intestinal Failure:
 • Severe protein malnutrition after bariatric surgery
 • More
common after distal bypass ... hyperglycemia and vitamin ... causes increased ... an option for bypass ... gastroenterology #diagnosis #differential
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... absorption • Vitamin ... D deficiency ... absorption - Intestinal bypass
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Vit B12, B6, Cu deficiency ... #Leg #pain #differential ... lower #extremity #msk ... #physicalexam
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Workup for cause ... highest on my differential ... EtOH causes thiamine ... deficiency via ... AorticRegurgitation #Diagnosis #PhysicalExam