34 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete loss of motor ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... upper and lower motor ... #diagnosis #pathophysiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... and Myotomes Motor ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... neurology #sensory #motor ... #leg #physicalexam
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
Framework for Lower Extremity ... Unilateral Lower Extremity ... Bilateral Lower Extremity ... #PhysicalExam # ... Pathophysiology
REBEL Review 99: Serotonin Syndrome via Yosuf Alam, MSIV

Presentation: Altered mentd status, Seizures, Myoclonus, Hypertension, Hyperthermia
99: Serotonin Syndrome ... Hyperthermia (most common cause ... rigidity (Lower extremity ... Upper extremity ... Cornerstone of treatment
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... (Contralateral motor ... contralateral extremity ... Brown-Sequard Syndrome ... Diagnosis #Algorithm #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Patellofemoral pain syndrome ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... unilateral lower extremity ... or absent lower extremity ... axial T1 and T2 Treatment ... differential #diagnosis #causes
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer's (99% of cases ... Alzheimer's (1% of cases ... mutations - Down syndrome ... concentration • Motor ... AlzheimersDisease #Dementia #pathophysiology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... segment: Upper extremity ... , lower extremity ... diagnosis column Treatment