119 results
diagnosis differential algorithm hypokalemia management hyperkalemia metabolic neurology pathophysiology classification clinical treatment workup alkalosis kidney physicalexam disease hematology hyponatremia criticalcare
Hypokalemia - Differential Diagnosis Algorithm Transcellular Shift: • Alkalosis • ↑ beta-2 adrenergic simulation • Erythropoiesis
Transcellular Shift ... Losses Non-renal ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hyperkalemia Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... by excess potassium ... transcellular shifts ... with impaired renal ... and underlying renal
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 Causes of Hyperkalemia - Differential Diagnosis Algorithm • Increased Intake • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... Excretion (IV potassium ... Transcellular Shift ... #Hyperkalemia #Nephrology ... Diagnosis #Algorithm #Causes
Hypokalemia - Differential Diagnosis Algorithm Extra-renal Losses: • Normal Acid-Base: Low intake • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... Syndrome • HTN, High ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hyperkalemia: Diagnostic algorithm Decreased renal potassium excretion • Acute renal failure • Chronic renal failure • Drugs Increased
potassium excretion ... • Acute renal ... Normal, Renin High ... hypoplasia Aldosterone high ... Diagnosis #algorithm #nephrology
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 ... (if preserved renal ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm Increased Loss - Increased GI Loss - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... Diagnosis #Algorithm #causes ... #potassium #low
Approach to Hypomagnesemia Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... cells FEMg >4% = renal ... differential #diagnosis #causes ... #nephrology #magnesium ... #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine Urine K+
the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... EABV, High Plasma ... hypokalemia #urine #potassium ... algorithm #diagnosis #nephrology
Hypokalemia Differential Diagnosis Algorithm Hypertensive: • High Al, Low R - Primary aldosteronism • High Al, High
Hypertensive: • High ... aldosteronism • High ... Al, High R - Secondary ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
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