257 results
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
intestinal calcium absorption ... and stimulates resorption ... Stimulate calcium reabsorption ... kidney, Stimulates resorption ... Differential #Diagnosis #algorithm
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Differential Diagnosis Algorithm ... Primary Immuno-Deficiency ... Dissacharidase Deficiency ... Differential #Diagnosis #Algorithm ... #Causes #Peds #
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Differential Diagnosis Algorithm ... Acidosis • Insulin Deficiency ... Increased Intake / Absorption ... Differential #Diagnosis #Algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Miscellaneous - Bone Resorption ... - Calcium Reabsorption ... Differential #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... • Decreased GI Absorption ... Binders, Vitamin D Deficiency ... Vitamin D: Vit D Deficiency ... Differential #Diagnosis #Algorithm
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency ... Severe dermatitis ↓ Absorption ... drkeithsiau #Folate #Deficiency
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... Differential Diagnosis Algorithm ... loss of sites of absorption ... tony_breu #Iron #Deficiency ... Diagnosis #Causes #Fe #algorithm
Causes of Recurrent Pregnancy Loss - Differential Diagnosis Algorithm
Environmental:
 • Toxin (organic solvents, mercury, lead)
 •
Differential Diagnosis Algorithm ... • Luteal phase deficiency ... #Spontaneous #Abortion ... Differential #Diagnosis #Algorithm
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Steroids • Reduced absorption ... cancer) #Iron #Deficiency
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... diagram shows normal absorption ... the top is a B12-deficient ... #VitaminB12 #deficiency