12 results
Causes of Hypokalemia

Hypokalemia results from abnormal losses, transcellular shifts, or insufficient intake (Table 1).6–8 Abnormal losses
Causes of Hypokalemia ... insufficient intake (Table ... significantly lower potassium ... excretion in response ... #Differential #Causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... DrEricStrong #Hypokalemia ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Metabolic Acidosis Causes ... ) Causes of Non-anion ... Distal (classic) ... differential #diagnosis #causes
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... - Acute and chronic ... Glucocorticoid deficit - Hypokalemia ... Differential #Diagnosis #Table ... #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... trauma - Ischemic colonic ... Impaired Renal Excretion ... differential #diagnosis #causes ... #potassium #high
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Chronic diarrhea ... - Hypokalemia ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... trauma - Ischemic colonic ... Impaired Renal Excretion ... differential #diagnosis #causes ... #potassium #high
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... myopathies - Excess exertion ... Monitor potassium ... per day until stable ... Diagnosis #Management #causes
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
myopathies, Excess exertion ... Monitor potassium ... per day until stable ... Dialysis for severe hyperkalemia ... Management #Summary #causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... Heart Association class ... #Medications #Table