17 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Diagnosis Algorithm ... Neuropathy • Spinal ... Lambert-Eaton Myasthenic Syndrome ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Diagnosis Algorithm ... Asthma, COPD) • Vascular ... Hypoventilation Syndrome ... Neuromascular Weakness ... #Diagnosis #Algorithm
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... • Spinal Cord: ... Guillain-Barre syndrome ... #Causes #differential ... #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
of Hemiplegia - Differential ... Diagnosis Algorithm ... findings Unilateral Spinal ... Brown-Sequard Syndrome ... #Diagnosis #Algorithm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... claudication and weakness ... stopping walking (vascular ... Dermatomes #Myotomes #diagnosis
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Diagnosis Framework ... Vascular/Blockage ... MCTD, Sjogren syndrome ... #algorithm
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Diagnosis Algorithm ... Hirschsprung's Disease • Spinal ... Guillain-Barré Syndrome ... • Muscular Dystrophy ... #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Acute Coronary Syndrome ... Neuromuscular Weakness ... #Diagnosis #Algorithm
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... lumbar stenosis • Vascular ... lower extremity weakness ... #differential # ... diagnosis #causes
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Lesions of the spinal ... #Differential # ... Diagnosis #neurology