17 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... #diagnosis #pathophysiology ... signs #symptoms #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Motor Function ... " ± Horner Syndrome ... Dermatomes #Myotomes #diagnosis ... #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... strain injury • Iliotibial ... band syndrome ... #lower #extremity ... #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... stopping walking (vascular ... neurology #sensory #motor ... #leg #physicalexam
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Neurologic • Stroke ... • Compensatory muscular ... pathophysiology #causes ... symptoms #signs #diagnosis ... #msk
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Coronavirus • HIV ... • Pelvic • Extremity ... Neuroleptic malignant syndrome ... Other: • Heat stroke
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 ... Differential Diagnosis ... cord infarct • HIV ... lumbar stenosis • Vascular ... #causes #neurology
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
hydrocephalus, HIV ... Alzheimer - 1st cause ... Aphaso-apraxo-agnosia syndrome ... Frontal atrophy Vascular ... multiple ischemic stroke
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Upper Motor Neuron ... Impairment: • Acute stroke ... parainfluenza, Coxsackie, HIV ... #Differential #Diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
cortical lesions • Vascular ... circulation: MCA ACA ... Constipation, Seizures, Stroke ... the underlying cause ... with AEDs until cause