450 results
First10EM Post Intubation Checklist
#Management #Airway #CriticalCare #PostIntubation #Checklist #First10EM
First10EM Post Intubation ... PostIntubation #Checklist #First10EM
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
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
↑ intestinal absorption ... ↑ bone reabsorption ... ↑ tubular reabsorption ... Hypophosphatemia: ↑ bone reabsorption ... ↓↓ tubular reabsorption
Hypercalcemia - Hormones and Pathophysiology  
Calcitriol:
 • Bones: Enhances mineralization
 • GI Tract: ↑ Ca2+
Tract: ↑ Ca2+ absorption ... , ↑ PO4- absorption ... , ↑ PO4- reabsorption ... Tract: ↓ Ca2+ absorption ... , PO4- reabsorption
Fluid and Water Secretion and Absorption in the GI Tract

#Fluid #water #Secretion #Absorption #reabsorption #GITract #diagnosis
Secretion and Absorption ... water #Secretion #Absorption ... #reabsorption #
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
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Vitamin C • ↓ Absorption ... drkeithsiau #Iron #Deficiency
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
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
renal magnesium absorption ... Mineralocorticoid deficiency