253 results
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
osmolality and urinary sodium ... deferred until the absolute
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
Reticulocyte Index = Absolute ... Maturation Correction Absolute
Contraindications to Thrombolytics

#Thrombolysis #Diagnosis #Management #Contraindications #Thrombolytics #TPA #STEMI #Stroke #CVA #Absolute #Relative
#Stroke #CVA #Absolute
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... little relative solute ... polydipsia), Low solute ... diagnosis #table #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
polydipsia, Low solute ... Algorithm #diagnosis #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
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
ECG Changes in Hyperkalemia and Treatment
Membrane Stabilization
 - Calcium gluconate or chloride 
Redistribution
 - Insulin
Albuterol - Sodium ... Furosemide - Sodium
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... Fractional Excretion of Sodium ... Fractional #Excretion #Sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low solute ... algorithm #diagnosis #sodium