27 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential Diagnosis ... 2-2.5% or 24h Urine ... Malabsorption RENAL ... • Hypercalcemia-PTH
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential Diagnosis ... a.k.a. osmotic diuresis ... Nephrogenic DI (Renal ... Hereditary, Lithium, Hypercalcemia
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
, Differential Diagnosis ... Glucocorticoid deficit - Hypokalemia ... Drugs - SIADH Renal ... hyponatremia - Diuretics ... #Table #Causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Management Summary Causes ... Weakness - Dark urine ... - Abdominal pain ... Loop diuretics for
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... Urinary Losses - Diuretics ... Mineralocorticoid excess - Renal ... Low #Potassium #Table ... Classification #Causes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... : Hypovolemia, Hypervolemia ... #differential #diagnosis ... #table #sodium
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... lysis) ± Urine ... 15 suggests ↓ renal ... only if no clear cause ... Elimination (see Table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... suggests extra-renal ... causes • Laxative ... Alkalosis: Emesis, Diuretics ... #diagnosis #Algorithm
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... #Pharmacology # ... Medications #Table