15 results
Hypernatremia - Differential Diagnosis Workup Algorithm

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

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Decreased / Absent Reflexes ... /constipation, hyponatremia ... #management #treatment ... #neurology
Hypernatremia Diagnosis and Workup

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

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... 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
output is a clue). 1) ... , Dehydration: neurologic ... water unavailable 2) ... ([Na] / 140) - 1) ... Diagnosis #Treatment #management
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-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... to 2 cases per 100,000 ... depressed deep tendon reflexes ... 3 to 1/2 of patients ... #management #neurology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
should be done): 1. ... • Other: 1. ... parenchymal disease: CKD ... Neurologic disorders ... , and Guillain-Barre
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
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