20 results
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... and Sjögren's syndrome ... #low #cobalamin ... #differential #diagnosis
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... • Common Causes ... intrinsic factor, IF) Clinical ... #Cobalamin #Deficiency ... #nutrition
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... • Dietary Deficiency ... - Low Serum B12 ... Myelodysplastic Syndromes
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
Clinically Important ... Vitamins and Vitamin Deficiency ... Wernicke-Korsakoff syndrome ... #differential #diagnosis ... signs #symptoms #nutrition
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Approach - MCV) Low ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... #causes #hematology
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
• Metabolic / Nutritional ... : DiabetesB12 deficiency ... Paraprotein-associated (POEMS syndrome ... #differential #diagnosis ... #causes #neurology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Platelet Disorders • Nutritional ... : vitamin B12 or ... Workup: • Complete ... #diagnosis #hematology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
initiation of nutrition ... severe clinical ... • Vitamin D deficiency ... , K, Mg2+) • Slow ... #Diagnosis #Pathophysiology
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 ... may result from low ... oncology #hematology #diagnosis
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Phosphatase Of Clinical ... Most cases diagnosed ... • Pernicious anemia ... /B12 deficiency ... Phosphatase: • Other causes