52 results
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... Excretion (IV potassium ... Transcellular Shift #Hyperkalemia ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... Fluids Shift potassium ... peaks 1-2h) • Blood ... LouLectures #Hyperkalemia ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Decreased renal potassium ... diet • Blood ... • Type 1 #Hyperkalemia ... Diagnosis #algorithm #nephrology
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Alwavs Repeat Blood ... while drawing blood ... Diagnosis #Algorithm #causes ... #potassium #high
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... losses: • High Blood ... • Low/Normal Blood ... #nephrology #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Crush injury • Blood ... Blood transfusion ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
mmol/L - Consider cause ... clinical scenario, ECG ... Monitor K+ and Blood ... Monitor serum K+ and blood ... Prevention - Consider cause
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... of hypokalemia ... diagnosis #algorithm #causes ... #nephrology #potassium
Constipation - Differential Diagnosis Algorithm
Diet/Lifestyle
 • Fibre
 • Calories
 • Fluid
 • Exercise
 • Psychosocial
Medications
 •
Cation Related (e.g ... Aluminum, Calcium, Potassium ... Hypothyroidism • Hypokalemia ... • Hypercalcemia ... Diagnosis #Algorithm #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Crush injury • Blood ... Blood transfusion ... differential #diagnosis #causes ... #potassium #high ... #nephrology