35 results
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... 90 minutes) • Sodium ... excretion: • Urinary ... renal function) - Loop ... diuretic (often
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... secreting tumor, Primary ... • HTN Absent: Loop ... and thiazide diuretics ... #causes #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... starts by measuring urinary ... Clinicians should also look ... Post-hypercapnia • Diuretics ... causes #nephrology #potassium
Diuretics - Pharmacology

Thiazides diuretics:
 • Inhibit Na+ Cl- cotransporter in distal tubule
 • Chlorothiazide, Chlorthalidone, Indapamide,
Metolazone Loop ... Piretanide Potassium ... as no effect on sodium ... Pharmacology #nephrology #conversion ... #loop #thiazide
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
urine (usually low ... kidney disease, Loop ... phase of ATN, Hypercalcemia ... Increased intake (low ... /Inflammation: Urinary
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... R - Primary aldosteronism ... >20 mEq/24 h - Diuretics ... #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... mEq/g suggests urinary ... consumption • Low ... Alkalosis: Emesis, Diuretics ... #nephrology #low
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... • Drugs • Diabetic ... Renin High: • Primary ... #Diagnosis #algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Medications - Loop ... abnormalities - Hypercalcemia ... - Hypokalemia ... Differential #Diagnosis #Low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... vomiting) • Low ... • Discontinued diuretic ... #potassium