8 results
Here’s a review of the Renin-Angiotensin-Aldosterone system (RAAS)

This is a very common pathway that clinicians should
sodium, which causes ... avoid harmful hyperkalemia ... antagonist AND a potassium-sparing ... diuretic, which ... #RAAS #Pharmacology
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... chemotherapy - Rhabdomyolysis ... /crush injury* ... failure* - Drugs—potassium-sparing ... #Causes #diagnosis
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Drugs (Statins), ... Monitor potassium ... Loop diuretics for ... Dialysis for severe hyperkalemia ... Management #Summary #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... Digoxin • K sparing ... diuretics • NSAIDs ... Impaired Renal Excretion ... differential #diagnosis #causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Toxins - Drugs - Statins ... Monitor potassium ... Loop diuretics for ... Diagnosis #Management #causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... #Renal #Excretion ... #Pharmacology #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... Digoxin • K sparing ... diuretics • NSAIDs ... Impaired Renal Excretion ... differential #diagnosis #causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... Bactrim, PCN G-K), K-sparing ... , rhabdo/crush injury ... only if no clear cause ... Management #Treatment #potassium