13 results
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... Insensible losses Sodium ... Insipidus (Decr ADH ... Insipidus (Incr ADH ... Diagnosis #Table #Causes
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
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... - Cirrhosis Syndrome ... Inappropriate ADH ... Diagnosis #Table #Causes ... #Sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
• Euvolemic (Low ... insipidus (central or nephrogenic ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Algorithm #nephrology #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
asymptomatic to seizures ... Posm >285 mOsm/kg ... stimulated in states of low ... activated in states of low ... #hyponatremia #ADH
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... : SIADH, Renal Sodium ... can be high or low ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia), Low
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
, ADH (appropriately ... 2) Is ADH elevated ... demyelination syndrome ... of symptomatic (seizures ... management #nephrology #sodium
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT Syndrome ... - Syncope - Seizure ... **Get baseline EKG ... imbalances (especially low ... #Diagnosis #Cardiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... level <100 pg/ml EKG ... respiratory distress syndrome ... /eclampsia • Neurogenic ... cerebral hemorrhage, seizure
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Tower sign) and low-amplitude ... dissection • Sodium-channel ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram