57 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... Transcellular Shift ... vomiting) • Low ... #nephrology #low ... #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Differential Diagnosis Algorithm ... Transcellular Shift ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Differential Diagnosis Algorithm ... Excretion (IV potassium ... Transcellular Shift ... Differential #Diagnosis #Algorithm
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... hypokalemia #urine #potassium ... #differential #algorithm
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... Sodium bicarbonate Potassium ... Hyperkalemia #management #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Differential Diagnosis Algorithm ... filling of bucket (low ... (transcellular shift ... Differential #Diagnosis #Algorithm
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... Transcellular shift ... Differential #Diagnosis #Algorithm
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... Dialysis Serum potassium ... blocks, QRS axis shift ... #hyperkalemia #potassium ... diagnosis #management #algorithm
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC shift ... #pharmacology #potassium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... Hypomagnesemia #algorithm ... nephrology #magnesium #low