5 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal tubular dysfunction ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... • Common Causes ... medications, pancreatic dysfunction ... total body stores Evaluation ... B12 #Cobalamin #Deficiency
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... Performance thorough ... ASA class If ... or LV dysfunction ... Orthopedic • Low
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
secretion because the dysfunctional ... in cases in which ... distinguish between ACTH deficiency ... pituitary) and deficiency ... Insufficiency #Evaluation
Pathogenesis of Select Causes of Constipation in Adults and in Elderly

 • Mechanical (ex. Bowel Obstruction,
Pathogenesis of Select Causes ... -> Interrupted flow ... Thyroid hormone deficiency ... CNS neurons -> Dysfunction ... anal canal -> Evacuation