21 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... Hypomagnesemia • Osmotic ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Hypercalcemia-PTH effect ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypokalemia - Osmotic ... - Genetic defects ... Differential #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Differential Diagnosis Algorithm ... administration • Osmotic ... mannitol, glucosuria Low ... #Causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Low Mean Corpuscular ... #Anemia #MCV #Classification ... #Causes #Hematology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Cause - Decreased ... Intake: • Low ... gastrointestinal osmotic ... Differential #Diagnosis #Algorithm
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... channel blocking effects ... of phase 4 to slow ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
LV failure - Low ... Neoplasia/Warburg effect ... B3: Hereditary Defects ... myopathies - Defects ... #typea #typeb #classification
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Normal/low ... mineralocorticoid-like effect ... Differential #Diagnosis #Algorithm ... #causes #urinary
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
open leading to slow ... Vaughan Williams Classification ... channel blocking effects ... #Pharmacology #Classification ... #Classes #pathophysiology