30 results
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... plasma insulin (treatment ... diuretics, and ... Postobstructive diuresis ... #differential #diagnosis
Mechanisms of Loop Diuretic Action and Resistance. Panel A, loop diuretics circulate bound to protein. As
Diuretic Action ... Panel A, loop diuretics ... shown in Panel C, diuretics ... step can mediate diuretic ... #Pathophysiology
Hormones Acting on the Nephron - Diuretics and Their Site of Action
 1) Acetazolamide
 2) Osmotic
the Nephron - Diuretics ... Acetazolamide 2) Osmotic Diuretics ... mannitol) 3) Loop ... Diuretics (e.g. ... Nephrology #Nephron #Diuretics
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Remote use of loop ... or thiazide diuretics ... diuretic use, Bartter ... #Differential #Diagnosis
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Transcellular Shift: • Alkalosis ... GI losses (NG suction ... • Discontinued diuretic ... nephrology #low #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... Urinary Losses - Diuretics ... Catecholamines - Alkalosis ... #Differential #Diagnosis ... #Low #Potassium
Diuresis in Critical Care - Achieving a Negative Fluid Balance
Advantages Of A Negative Fluid Balance:
 •
Diuresis in Critical ... • Start with LOOP ... DIURETICS which ... are short acting ... ) to normalize Potassium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Remote use of loop ... or thiazide diuretics ... blood pressure: Active ... diuretic use, Bartter ... of sodium and potassium
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... Fluids Shift potassium ... renal function) - Loop ... diuretic (often ... LouLectures #Hyperkalemia
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... G-K), K-sparing diuretics ... (IV loop diuretic ... diuretic (lasix ... #Treatment #potassium