11 results
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Trauma/Crush injury ... Impaired Renal Excretion ... #differential # ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Trauma/Crush injury ... Impaired Renal Excretion ... #differential # ... #high #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, rhabdo/crush injury ... Excretion: ... suggests ↓ renal excretion ... Elimination (see Table ... #potassium #nephrology
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Rhabdomyolysis - Differential ... Treatment: 1 ... Monitor potassium ... per day until stable ... Dialysis for severe hyperkalemia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Monitor potassium ... per day until stable ... Rhabdomyolysis #Differential ... #nephrology
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ongoing rhabo, crush injury ... Remove potassium ... removal of offending agent ... not quickly) #Hyperkalemia
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
- Differential ... Decreased Urinary Excretion ... to Aldosterone: K ... production: TLS, Crush injury ... Diagnosis #Causes #potassium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... Hyponatremia • Hypercalcemia ... Tolvaptan) • Treatment ... #Diuresis #Nephrology ... #Medications #Table
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
noncardioselective agents ... neuromuscular injury ... Inadequate excretion ... #Differential # ... Diagnosis #High #Potassium
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... infarction, head injury ... stimulation of Na*/K+ ... Increased secretion ... #Differential #