82 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,
Causes of Hyponatremia ... , Salt-losing deficiency ... Hypothyroidism, Stress ... , Drugs, Syndrome ... Diagnosis #Algorithm #Causes
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... Overfeeding • Short ... Bowel Syndrome ... Irritable Bowel Syndrome ... Diagnosis #Algorithm #Causes
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Polycystic Ovarian Syndrome ... Congenital GnRH Deficiency ... • Empty Sella Syndrome ... Disorders, Exercise, Stress ... endocrinology #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
• Loose anagen syndrome ... • Lithium - Stress ... Psychological stress ... HairLoss #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... 5-a Reductase deficiency ... a Hydroxylase deficiency ... , weight loss, stress ... Congenital GnRH deficiency
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - ... Disease • GH Deficiency ... • IGF-I Deficiency ... Panhypopituitarism Treatment ... endocrinology #causes
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... old, ~10,000 new cases ... only curative treatment ... Myelodysplastic #Syndrome ... #hematology #oncology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Blisters - Primary Dermatologic ... trauma/emotional stress ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... Diagnosis #Algorithm #causes
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... folate that can cause ... mobilize folate stores ... depleted tissue stores ... differential #diagnosis #hematology