24 results
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Alcoholism (worsened by hypomagnesemia ... anhydrase inhibitors, loop ... syndrome (mimics loop ... Fever Other: - Hypomagnesemia
Loop diuretic PO --> IV conversions 

Furosemide 40 mg PO = Furosemide 20 mg IV =
Loop diuretic PO ... --> IV conversions ... #Diuretics #Equivalent ... #Dose #Conversion ... #Table #Furosemide
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Urinary Losses - Diuretics ... - Polyuria - Hypomagnesemia ... Diagnosis #Low #Potassium ... #Table #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Medications - Loop ... and thiazide diuretics ... Hypercalcemia - Hypokalemia ... Low #Magnesium #Table
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Clinicians should also look ... Renal K loss • Hypomagnesemia-induced ... Post-hypercapnia • Diuretics ... causes #nephrology #potassium
Summary of Diuretic Agents 
Subclass, Drug, Mechanism of Action, Effects, Clinical Applications, Pharmacokinetics, Toxicities, Interaction
CARBONIC ANHYDRASE
Summary of Diuretic ... empagliflozin LOOP ... DIURETICS • Furosemide ... Chlorthalidone POTASSIUM-SPARING ... Pharmacology #summary #table
Loop diuretic conversion - Equivalent Doses
Furosemide (Lasix) 40 mg PO = Furosemide 20 mg IV =
Loop diuretic conversion ... Pharmacology #Cardiology #Loop ... #Diuretic #Equivalent ... #Doses #Conversion ... #Table #Furosemide
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... and hypomagnesemia ... Hypokalemia ... Furosemide and other loop ... diuretics
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 Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Potassium depletion ... disease Drugs: - Loop ... diuretics - Aminoglycosides ... aldosteronism #Hypomagnesemia