78 results
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
and/or Folate Deficiency ... with low B12 stores ... normal tissue stores ... tissue folate stores ... Diagnosis #Nutrition #Hematology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... , Salt-losing deficiency ... Hypothyroidism, Stress ... , Drugs, Syndrome ... #Hyponatremia #Differential
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Pediatric Diarrhea - Differential ... Overfeeding • Short ... Bowel Syndrome ... Irritable Bowel Syndrome ... #Diarrhea #Differential
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... • Loose anagen syndrome ... • Lithium - Stress ... Psychological stress ... #Differential #
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... mobilize folate stores ... depleted tissue stores ... #FolicAcid #differential ... #diagnosis #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Diseases: • GATA2 deficiency ... Wiskott-Aldrich syndrome ... B12 • Folate deficiency ... #Diagnosis #Hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... Diagnosis and Management ... disorders • Shear stress-induced ... #treatment #hematology ... #differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... , Loose anagen syndrome ... texture at bald spots ... loss #alopecia #Differential ... #Diagnosis #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... • Folate Deficiency ... Non-lmmune: • HELLP Syndrome ... Thrombocytopenia #Differential ... Algorithm #Causes #Hematology
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Amenorrhea - Differential ... Polycystic Ovarian Syndrome ... Congenital GnRH Deficiency ... • Empty Sella Syndrome ... Disorders, Exercise, Stress