53 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm 1) ... renal mechanism 2) ... , Cushing syndrome ... Workup #Algorithm #nephrology ... #sodium
Hypernatremia Diagnosis and Workup

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

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Workup Step #1 ... history Step #2 ... #Management #Algorithm ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
, Dehydration: neurologic ... water unavailable 2) ... ([Na] / 140) - 1) ... Diagnosis #Treatment #management ... #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
1) Is it hypotonic ... 2) Is ADH elevated ... demyelination syndrome ... Diagnosis #Treatment #management ... #nephrology #sodium
Hyponatremia Correction
1. Indications for Hypertonic Saline: seizure, coma, focal findings
   - typically occurs with
1. ... increasing Na ~5mEq 2. ... 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
- Summary Acute ... 2 cases/100,000 ... Decreased / Absent Reflexes ... #diagnosis #management ... #treatment #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... +K / serum Na >1 ... : SIADH, Renal Sodium ... Cirrhosis, Nephrotic syndrome ... #nephrology
Hypertonic Saline for Treatment of Hyponatremic Encephalopathy
1) 100 ml bolus of 3% NaCl over 10 min.
Encephalopathy 1) ... L in the first 1- ... sodium should be ... Saline #Treatment #management ... #protocol #hyponatremia
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
- Pharmacology Summary ... SVR • Risk of reflex ... • Higher doses cause ... 2 mcg/kg/min): renal ... #management #medications