13 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased ... renal potassium ... failure • Chronic ... diet • Blood ... #nephrology #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... Crush injury • Blood ... Blood transfusion ... differential #diagnosis #causes ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... deficiency, Salt-losing ... : • Acute or chronic ... Hypervolemia, UNa ... #Causes #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Base Disorders - Blood ... Interpretation Steps for Blood ... acetaminophen dosing ... Classically” noted with pulmonary ... Diagnosis #Summary #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... Crush injury • Blood ... Blood transfusion ... differential #diagnosis #causes ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... treated with IV potassium ... suggests extra-renal ... causes • Laxative ... #nephrology #low
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... UA positive for blood ... Monitor potassium ... per day until stable ... #treatment #nephrology
Pseudohyperkalemia vs Reverse Hyperkalemia

Pseudohyperkalemia and reverse pseudohyperkalemia are both conditions where potassium levels appear falsely elevated.

Pseudohyperkalemia:
This
leukocytes, or red blood ... • Occurs after blood ... leukemias (especially chronic ... associated with CLL (chronic ... #Potassium #Nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Torsemide) • Acute pulmonary ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... Prevention of blood ... #Medications #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
(Assess GFR), ±VBG ... only if no clear cause ... Elimination (see Table ... Management #Treatment #potassium ... #nephrology #K