20 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... renal perfusion (Heart ... Cirrhosis, Nephrotic syndrome ... #differential # ... diagnosis #table
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Edema - Differential ... Increased renal sodium ... • NSAlDs • AKI ... Pressure • Right heart
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm Syndrome ... • Congestive heart ... • Reduced GFR, AKI
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm Syndrome ... • Congestive heart ... • Reduced GFR, AKI
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... - Differential ... Insensible losses Sodium ... Diagnosis #Table ... #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... depletion - Heart ... - Cirrhosis Syndrome ... Diagnosis #Table ... #Causes #Sodium
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Dehydration • Heart ... a.k.a. cardiorenal syndrome ... tubular necrosis (causes ... : sepsis, meds, ... obstruction) • Neurogenic
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... cirrhosis, nephrotic syndrome ... , CNS Disease, Meds ... diagnosis #nephrology #sodium
Causes of Provoked Pediatric Seizures - Differential Diagnosis Algorithm - "DIMS" Mnemonic
Drugs:
 • Drug overdose
 •
Causes of Provoked ... Hypocalcemia • Hyponatremia ... Structural: • Head ... • Sturge-Weber Syndrome ... #Peds #Pediatrics
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Dehydration - Loss of sodium ... conditions - Neurogenic ... illness → Hypernatremia ... Rhabdomyolysis - AKI