62 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hypercalcemia, Hypermagnesemia ... Deep coma (any cause ... Hypocalcemia, Hypomagnesemia ... differential #diagnosis #table
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
Potassium Electrolyte ... patient also has hypomagnesemia ... before repleting potassium ... Intravenous (can cause ... Electrolyte #Repletion #management
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Polyuria - Hypomagnesemia ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... DrEricStrong #Hypermagnesemia ... High #Magnesium #Table ... #Causes #Management
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... Renal K loss • Hypomagnesemia-induced ... diagnosis #algorithm #causes ... #nephrology #potassium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... DrEricStrong #Hypomagnesemia ... Low #Magnesium #Table ... Classification #Causes
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... osmotic diuresis - Potassium ... aldosteronism #Hypomagnesemia ... #Causes #diagnosis
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Concomitant severe hy pomagnesemia ... safely, whereas potassium ... Enteral potassium ... Intravenous potassium ... #Hypokalemia #Management
REBEL Review 71: Treatment of Thyroid Storm 

Propranolol 
Esmolol 
Propylthiouracil (PTU) 
Methimazole 
Saturated Solution of Potassium
Saturated Solution of Potassium ... hyperthyroidism #table ... #management #treatment
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Magnesium oxide (can cause ... diarrhea and cause ... complex (does not cause ... Electrolyte #Repletion #management ... #hypomagnesemia