19 results
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... , lower extremity ... Increased Jaw Jerk reflex ... activity between nerve ... Lateral #Sclerosis #neurology
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the differential diagnosis ... LMN syndromes are ... UMN lesions are ... positive Babinski reflex ... cord, peripheral nerve
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
of Facial Nerve ... variety known as ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology ... Signs #Symptoms #Diagnosis
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Conversion "I am ... Infection • Neuro: UMN ... Polyneuropathy, ALS ... ), NMJ disorder ... #causes #neurology
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
the side of a nerve ... damage to the pyramidal ... extension of the arm ... neurodegenerative disorders ... Wrist clonus is
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... threat Cranial Nerves ... horizontal movements; also ... Casey Albin MD @ ... #PhysicalExam #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

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

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... Differential Diagnosis ... #differential #diagnosis ... #causes #neurology