11 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... insipidus (central or nephrogenic ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

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

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... Comatose Patient 1. ... painful stimuli: 1. ... Casey Albin MD @ ... #PhysicalExam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• Prevalence: 1: ... - Emergency Causes ... cord • Guillain-Barre ... differential #diagnosis #causes ... #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... of hypotonic hyponatremia ... normal volume-based algorithm ... +K / serum Na >1 ... table #sodium #nephrology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
conditions - Neurogenic ... heat illness → Hypernatremia ... Collapse: • Pathophysiology ... Multi-system illness: 1. ... differential #diagnosis #causes
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... ALS involves: (1) ... Increased Jaw Jerk reflex ... Lateral #Sclerosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... : 1. ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology ... differential #algorithm
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... varying degrees of: 1. ... Spasticity - Reflexes ... • Infectious causes ... diagnosis #management #neurology