19 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Workup Step 1 ... • nephrotic syndrome ... Diagnosis #Workup #Algorithm ... #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Workup Step #1 ... #Management #Algorithm ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
output is a clue). 1) ... , Dehydration: neurologic ... Diabetes Insipidus: neurogenic ... ([Na] / 140) - 1) ... Diagnosis #Treatment #management
Hyponatremia Correction
1. Indications for Hypertonic Saline: seizure, coma, focal findings
   - typically occurs with
1. ... correction of 0.5-1 ... Demyelination Syndrome ... Correction #goal #rate #management ... #nephrology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... Decreased / Absent Reflexes ... /constipation, hyponatremia ... #diagnosis #management ... #treatment #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Mutism Pathophysiology ... Comatose Patient 1. ... #PhysicalExam #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... normal volume-based algorithm ... +K / serum Na >1 ... Cirrhosis, Nephrotic syndrome ... table #sodium #nephrology
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
appear in 1-2 days ... 1. ... cord function and reflex ... bulbocarvenosus reflex ... Spinal shock vs Neurogenic
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... • Hyponatremia ... • Nephrogenic ... and euvolemic hyponatremia ... Excretion #Diuresis #Nephrology