10 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... - Hypokalemia ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Hypervolemia, ... failure Hypervolemia ... , UNa < 20 • Nephrotic ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Tumor lysis syndrome ... Excretion: • ... Medications 2. ... differential #diagnosis #causes ... potassium #high #nephrology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
(correction of hypokalemia ... • Cushing’s syndrome ... free cortisol excretion ... #Screening #Workup ... #table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Tumor lysis syndrome ... Excretion: • ... Medications 2. ... differential #diagnosis #causes ... potassium #high #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Excretion Carbonic ... • Hypercalcemia ... Kidney stones caused ... #Nephrology #Pharmacology ... #Medications #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
K+ Excretion: ... reabsorption) Workup ... only if no clear cause ... Elimination (see Table ... Treatment #potassium #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... with previously stable ... disorders including hypokalemia ... #Hypertension #Workup ... #Diagnosis #indications
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... myopathies - Excess exertion ... per day until stable ... Diagnosis #Management #causes ... #treatment #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: Hypovolemia, Hypervolemia ... failure, Cirrhosis, Nephrotic ... syndrome) • ADH ... differential #diagnosis #table ... #sodium #nephrology