489 results
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... Fractional Excretion of Sodium ... Urine Na+ x Serum Cr ... Serum Na+ x Urine Cr ... Fractional #Excretion #Sodium
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium ... Antiarrhythmics #Sodium ... Blockers #ClassI #Na #cardiology
How much sodium is in 1 Liter of Normal Saline? In Bags if Potato Chips
How much sodium ... saline = 0.9% sodium ... contains 154 meq of sodium ... about as much sodium ... ns #nephrology #sodium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine sodium ... acid: - Urine sodium ... hyponatremia - Urine sodium
ECG Changes in Hyperkalemia and Treatment
Membrane Stabilization
 - Calcium gluconate or chloride 
Redistribution
 - Insulin
Albuterol - Sodium ... Furosemide - Sodium
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
the influx of sodium ... correspond to the sodium-channel ... #Pharmacology #Cardiology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinalysis & Urine Sodium ... Fractional excretion of Sodium ... Creatinine, Na = Sodium ... Na < 1% Urine sodium ... Na > 2% Urine sodium
Hyperkalemia Management
Membrane Stabilizers:
 • Calcium gluconate
Shifters:
 • Insulin + glucose
 • Albuterol
Excreters:
 • Furosemide
 • Sodium
Furosemide • Sodium ... bicarbonate • Sodium
Brugada syndrome with non-sustained VT; sodium channel blocking drugs (e.g. amio, procainamide) can be dangerous here!

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non-sustained VT; sodium ... EKG #Clinical #Cardiology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Osmolarity 3) Urine Sodium ... Algorithm #nephrology #sodium