52 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
clinically characterized ... hyporeflexia without sensory ... clinical findings ... This lesion causes ... positive Babinski reflex
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... Compression: • Carpal ... #Neurology #Differential ... Diagnosis #Algorithm #Causes
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
combination of the clinical ... cellular function Clinical ... - Causes progressive ... Increased Jaw Jerk reflex ... Lateral #Sclerosis #neurology
Hoffmann's Reflex on Physical Exam
The Hoffmann's reflex itself involves loosely holding the middle finger and flicking
Hoffmann's Reflex ... The Hoffmann's reflex ... #Hoffmanns #Reflex ... #PhysicalExam #clinical ... #neurology #UMN
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Rhabdomyolysis, Critical ... Infection • Neuro: UMN ... stroke, tumor), LMN ... Differential #Diagnosis #causes ... #neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
it is not all carpal ... • Carpal tunnel ... and thumb do not flex ... exam to carpal ... Anatomy #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Erb's Palsy is caused ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... Narrowing of spinal canal ... Myotomes #diagnosis #neurology ... #sensory #motor
Cremasteric Reflex

The cremasteric reflex is elicited by stroking the inner part of the thigh, causing the
Cremasteric Reflex ... The cremasteric reflex ... toward the inguinal canal ... #Urology #clinical ... Physicalexam #Scrotal #Urology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... : Areflexia UMN ... disorders #diagnosis #neurology