9 results
Hypernatremia Diagnosis and Workup

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... mechanism 2) Volume Status ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... #nephrology #sodium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... cirrhosis, nephrotic syndrome ... , CNS Disease, Meds ... #diagnosis #nephrology
Pediatric Constipation - Differential Diagnosis Algorithm
Dietary/Functional
 • lnsufficient Volume / Bulk
Neurologic
 • Hirschsprung's Disease
 • Imperforate
Differential Diagnosis Algorithm ... Volume / Bulk Neurologic ... e.g Fissures) Anatomic ... Guillan-Barré Syndrome ... #Causes #Peds
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Differential Diagnosis Algorithm ... Volume / Bulk Neurologic ... Psychotropics) Anatomic ... Guillain-Barré Syndrome ... #Causes #Peds #
Posterior Reversible Encephalopathy Syndrome (PRES) - Diagnosis
Clinical Features:
 • Altered mental status (Either lethargy, confusion, or
Encephalopathy Syndrome ... Features: • Altered mental ... status (Either ... Immunomodulatory meds ... #Diagnosis #Neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Differential Diagnosis Algorithm ... papilledema • Horner syndrome ... lyme • Altered mental ... status, analgesics ... #neurology #PHANTOMS
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
status • Visual ... status • Headache ... may precede the neurologic ... Seizures: Treat with AEDs ... diagnosis #management #neurology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Medical history ... event, follow ACC algorithm ... Intraabdominal - Orthopedic ... Cataract Plan for Meds ... perioperative medical