8 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 ... BrighamChiefs #Vitamin ... #Cobalamin #differential
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early vitamin K ... Pre-analytical cause ... Severe vitamin K ... #diagnosis #differential
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Prolonged PT and aPTT ... the PT and the aPTT ... ) • Severe vitamin ... #diagnosis #differential
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... prolonged after Vitamin ... discern these causes ... DIC • Severe vitamin ... Bruising #Hemostasis #Differential
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
syphilis, Whipple, vitamin ... deficiency, ... ... Alzheimer - 1st cause ... Dementia - 2nd cause ... MNCD #Dementia #Differential
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Workup for cause ... point thiamine deficiency ... highest on my differential ... deficiency via ... AorticRegurgitation #Diagnosis #PhysicalExam
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... absorption • Vitamin ... D deficiency ... absorption - Intestinal bypass
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... • Nutritional: vitamin ... or folic acid deficiency ... Workup: • Complete ... blood count with differential