36 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... However, in UMN ... hyporeflexia without sensory ... UMN lesions are ... 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
- Causes progressive ... involvement • UMN ... Increased Jaw Jerk reflex ... Escorial criteria uses ... Lateral #Sclerosis #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Infection • Neuro: UMN ... stroke, tumor), LMN ... Polyneuropathy, ALS ... Differential #Diagnosis #causes ... #neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Carpal tunnel ... and thumb do not flex ... exam to carpal ... compression but will also ... Anatomy #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... fibular neck such as ... Myotomes #diagnosis #neurology ... #sensory #motor
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... variety known as ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... injury, Early ALS ... Eclampsia, Late ALS ... diagnosis #table #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
Cremasteric Reflex

The cremasteric reflex is elicited by stroking the inner part of the thigh, causing the
Cremasteric Reflex ... toward the inguinal canal ... simply graded as ... #Urology #clinical ... Physicalexam #Scrotal #Urology