11 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Disopyramide CLASS ... • Adenosine, Magnesium ... , Potassium # ... #Medications #Classes ... #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI ... Losses - Vomiting ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... hypomagnesemia Excessive GI ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... - Increased GI ... Differential #Diagnosis #Algorithm ... #causes #potassium
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... GI LOSS - FeMg ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... (K) & magnesium( ... wasting from other causes ... suggests extra-renal causes
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Increased Excretion - GI ... : • Aluminum/Magnesium ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... in isolation) GI ... Gittelman's syndrome • Magnesium ... #Causes
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Magnesium deficiency ... Diagnosis #Low #Potassium ... #Classification ... #Causes
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Most cases of hypokalemia-induced ... important because magnesium ... depletion impedes potassium ... Hypokalemia #Evaluation #Algorithm