30 results
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
shifts. ... with impaired renal ... function, medication ... and underlying renal ... #Hyperkalemia #Differential
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... - Differential ... (IV potassium with ... Transcellular Shift ... #Hyperkalemia #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Thyrotoxicosis Medications ... Diagnosis #Algorithm #nephrology ... #low #potassium
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... #AKI #Acute #Kidney ... #Diagnosis #nephrology ... #causes #algorithm
Causes of Hypokalemia

Hypokalemia results from abnormal losses, transcellular shifts, or insufficient intake (Table 1).6–8 Abnormal losses
transcellular shifts ... insufficient intake (Table ... .9 Because the kidney ... significantly lower potassium ... excretion in response
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
• IV Fluids Shift ... excretion: • ... (if preserved renal ... #Hyperkalemia #management ... #potassium #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Fractional excretion ... intake, Gl loss, shift ... Hypomagnesemia #algorithm #differential ... #diagnosis #causes ... #nephrology #magnesium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Intracellular Shift ... Excretion: • ... Medications 2. ... #diagnosis #causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Intracellular Shift ... Excretion: • ... Medications 2. ... #diagnosis #causes ... #nephrology
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
Distal Renal Tubular ... Totally scuppers the kidney's ... Distal #Diagnosis #Management ... #Nephrology #Causes ... #Differential #