75 results
Treatment of hyperkalemia via kaliuresis 
step 1 = volume resuscitation if hypovolemic
step 2 = consider fludrocortisone
step
Treatment of hyperkalemia ... fludrocortisone step 3 = diuretic ... determine response to diuretic ... #hyperkalemia ... #algorithm
Loop diuretic PO --> IV conversions 

Furosemide 40 mg PO = Furosemide 20 mg IV =
Loop diuretic PO ... --> IV conversions ... Pharmacology #Cardiology #Loop ... #Diuretics #Equivalent ... #Dose #Conversion
Ethacrynic acid - Conversion
Only loop diuretic without a sulfonamide substituent.
Rarely used alternative in patients who have
Ethacrynic acid - Conversion ... Only loop diuretic ... diuretic. ... Ethacrynic #acid #Conversion ... #loop
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
Diuretics sites ... . mannitol) 3) Loop ... diuretic (e.g. ... Metolazone) 5) Potassium-sparing ... diuretics (e.g.
Flowchart to diuretic use in acute heart failure.

(A) Congestion with volume overload. 

(B) Treatment algorithm after
Flowchart to diuretic ... (B) Treatment algorithm ... Total loop diuretic ... diuretic administration ... #Diuretic #Diuresis
Loop Diuretic Conversion - Dose Equivalents
Bumex (bumetanide) 1 mg PO
Demadex (torsemide) 20 mg PO
Lasix (furosemide) 40
Loop Diuretic Conversion ... diuretics are given ... diuretics which ... have the dose conversion ... #Diuretic #Conversion
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
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... (treatment of diabetic ... syndrome (mimics loop ... diuretic use), ... mimics thiazide diuretic
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... vomiting) • Low ... • Discontinued diuretic ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • HTN Absent: Loop ... and thiazide diuretics ... #causes #potassium