30 results
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
plasma insulin (treatment ... diuretics, and ... thiazide-like diuretics ... Postobstructive diuresis ... #Causes #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... and thiazide diuretics ... - Osmotic diuresis ... Post-obstructive diuresis ... Low #Magnesium #Table
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
• Physiologic Diuresis ... Post-obstructive diuresis ... kidney disease, Loop ... Diuretics, Recovery ... phase of ATN, Hypercalcemia
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
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Diagnosis Algorithm ... - Urinary Chloride ... Remote use of loop ... or thiazide diuretics ... pressure: Active diuretic
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... +2Cl- Symport (Loop ... Hyponatremia • Hypercalcemia ... Tolvaptan) • Treatment ... #Medications #Table
Algorithm for Management of Acute and Chronic Hyperkalemia
Acute Hyperkalemia:
 - IV calcium (10 mL of 10%)
Algorithm for Management ... sodium bicarbonate, Diuretics ... ) - Effective diuretic ... therapy (loop diuretics ... Acute #Chronic #treatment
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... secreting tumor, Primary ... • HTN Absent: Loop ... and thiazide diuretics
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... excretion: • Urinary ... renal function) - Loop ... diuretic (often ... LouLectures #Hyperkalemia
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Hypomagnesemia - Differential ... Diagnosis Algorithm ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH ... syndrome • Thiazide Diuretics