62 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 ... or induced) #Hypokalemia
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Urinary Losses - Diuretics ... DrEricStrong #Hypokalemia ... Diagnosis #Low #Potassium ... #Table #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Medications - Loop ... abnormalities - Hypercalcemia ... - Hypokalemia ... Low #Magnesium #Table
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause of hypokalemia ... Clinicians should also look ... hypokalemia • ... Cushing's syndrome #hypokalemia
Loop diuretic PO --> IV conversions 

Furosemide 40 mg PO = Furosemide 20 mg IV =
Loop diuretic PO ... --> IV conversions ... #Diuretics #Equivalent ... #Dose #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 ... panitumumab) #Drugs #hypokalemia
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Hypomagnesemia ( ... dysrhythmias Hypokalemia ... • Renal potassium ... metabolism • Hypocalcemia ... calcitriol #Hypomagnesemia
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Agents to Treat Hyperkalemia ... to moderate); hypokalemia ... ; hypokalemia; constipation ... disturbances (including hypokalemia ... #Binding #Hyperkalemia
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
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Medication • Hypomagnesemia ... • Osmotic diuresis ... Hypothermia • Hypokalemic ... amzn.to/2LmUODZ #Hypokalemia