15 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Diagnosis Algorithm ... Disease Motor Neuron ... Neuropathy • Spinal ... #Diagnosis #Algorithm
Upper Versus Lower Motor Neuron Findings

Denervation near the target muscle fibers (lower motor neuron disease) results
Versus Lower Motor Neuron ... fibers (lower motor neuron ... efferent limb of spinal ... reflexes, resulting ... leads to muscle atrophy
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
form part of the differential ... to prevent the atrophy ... positive Babinski reflex ... paralysis, and atrophy ... musclearc #flaccid #atrophy
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
constipation Differential ... extremity muscle atrophy ... bulbocavernosus reflex ... wink test - reflex ... Equina #syndrome #differential
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Floppy Newborn) - Differential ... Diagnosis Algorithm ... Strength, Normal Reflexes ... Cord • Spinal ... Muscular Atrophy
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Sensory Changes - Differential ... Diagnosis Algorithm ... Weakness • Motor Neuron ... Motor Neuropathy - Atrophy ... #Diagnosis #Algorithm
Dysphagia - Differential Diagnosis Algorithm

Oropharyngeal Dysphagia 
Esophageal Dysphagia 
 • Upper 2/3 (striated muscle): stroke, NMJ
Dysphagia - Differential ... Diagnosis Algorithm ... muscular dystrophy, spinal ... muscular atrophy ... #Diagnosis #Algorithm
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
of Dysarthria - Differential ... Diagnosis Algorithm ... Tongue and Facial Atrophy ... hyperactive gag reflex ... and Pitch • Spinal-Cerebellar
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... dysfunction • Abnormal reflexes ... Loss of muscle (atrophy ... diagnosis #neurology #differential ... #algorithm
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Lower motor neuron ... - Upper motor neuron ... involved) - Tendon reflex ... in deep tendon reflexes ... syndromes #lesions #differential