15 results
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... -deficient diet. ... #VitaminB12 #deficiency ... #Differential # ... #Pathophysiology
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 ... antagonists #VitaminB12 ... #cobalamin #differential
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
The Inhibited Pathway caused by N2O, leading to a decrease in the active form of Vitamin
Inhibited Pathway caused ... deficiency. ... of pernicious anemia ... #Pathophysiology ... #NitrousOxide #VitaminB12
FAT RBC Mnemonic for Causes of Macrocytic Anemia
(MCV > 100)

F - Folate (Fetus) and B12 Deficiency
FAT RBC Mnemonic ... Folate (Fetus) and B12 ... Deficiency - Impairs ... released from marrow as ... #Anemia #Differential
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
Mimickers - SHALLOTS Mnemonic ... dermatitis, dementia, anemia ... it can manifest as ... splenomegaly, fatigue ... #Diagnosis #Differential
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Presentation: • Fever • Fatigue ... and petechiae Causes ... to repair DNA, as ... , GATA2 deficiency ... , CTLA4 deficiency
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... Diagnosis and Pathophysiology ... • Severe iron deficiency ... anemia (reduced ... #Diagnosis #Pathophysiology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Symptoms: • Fatigue ... Nutritional: vitamin B12 ... or folic acid deficiency ... treatments • Copper deficiency ... blood count with differential
Medical Conditions Causing Mania or Mania-Like Episodes: Pathogenesis
 • Bipolar Disorder -> Combination of individual, genetic,
deficiency -> Lack ... of B12 as a cofactor ... Manic #Secondary #Causes ... #Differential # ... Diagnosis #Pathophysiology