11 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #hypomg
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Acquired: Medications ... pentamidine), Hypercalcemia ... #diagnosis #causes ... #nephrology #magnesium ... #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... - Hyperosmolar states ... Medications 2. ... diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... - Hyperosmolar states ... Medications 2. ... diagnosis #causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Etiology: • Medications ... only if no clear cause ... STOP offending medications ... #Treatment #potassium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Diagnosis Framework ... Toxins - Drugs - Statins ... - Endocrine: Hypo ... Monitor potassium ... #causes #treatment
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Drugs (Statins), ... etc), Endocrine (Hypo ... Monitor potassium ... Dialysis for severe hyperkalemia ... #Summary #causes
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Blood transfusion, Hypercalcemia ... visualized as a hypo ... Reversible course Differential ... Electrolyte abnormality, Medication ... • Magnesium correction
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Anabolic state ... #Differential # ... Diagnosis #Low # ... Potassium #Classification
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic ... urine Na/Cl > 1.6, low ... correcting serum potassium ... Other medications ... #diagnosis #differential