8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
damage to peroneal nerve ... at fibular neck ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... Fever, headache, neck ... Symptoms: AMS, motor ... of the abducens nerve ... #diagnosis #AIDS
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... disorder (Cardiac, pulmonary ... etc) • CNS -> ... Upper Motor Neuron ... #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... • Head and neck ... Infection or cancer ... (CN 8)
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
In this video, you ... peripheral 12th nerve ... posterior head/neck ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Sensory and/or motor ... affects the skin, neurologic ... muscle weakness • Nerves ... cognitive impairment, neurologic
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
yeast • At risk: AIDS ... Inhalation of spores ... especially the CNS ... MC: CNS CSF: • ... : • Serology for