12 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
lung disease (COPD ... • Hypoxia • Pulmonary ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... result in permanent neurologic ... - Infection (e.g ... deficiency - Syrinx ... differential #diagnosis #neurology
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
(c) Central cord ... Hemisection of cord ... /unilateral cord ... Brown—Séquard syndrome ... (e) Transverse cord
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
, Acute spinal cord ... polyneuropathy (e.g ... Guillain-Barré syndrome ... finding in spinal cord ... diagnosis #table #neurology
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Volume / Bulk Neurologic ... Withholding • Painful (e.g ... Disease • Spinal Cord ... Congenita • Guillain-Barré ... Syndrome • Muscular
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
respiratory drive due to neurologic ... obesity-hypoventilation syndrome ... Pneumonia, asthma, COPD ... , pulmonary AVMs ... hepatopulmonary syndrome
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L5/S1 with an inferior ... Diagnosis: • Spinal cord ... spondylitis • Tethered cord ... • Guillain-Barre ... diagnosis #causes #neurology
Pediatric Constipation - Differential Diagnosis Algorithm
Dietary/Functional
 • lnsufficient Volume / Bulk
Neurologic
 • Hirschsprung's Disease
 • Imperforate
Volume / Bulk Neurologic ... Withholding • Painful (e.g ... Disease • Spinal Cord ... Congenita • Guillan-Barré ... Syndrome #Constipation
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
disorder (Cardiac, pulmonary ... • Acute stroke syndromes ... of the spinal cord ... electromyographic (EMG ... Differential #Diagnosis #neurology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... brain and spinal cord ... of diazepam • EMG ... SPS #Diagnosis #Management ... #treatment #neurology