6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Conditions Erb's Palsy ... Saturday night palsy ... #diagnosis #neurology ... sensory #motor #arm #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
) Nerve palsy ... • CN VI (Abducens ... One-and-a-half Syndrome ... Skew Deviation Casey ... #differential #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... • Cauda Equina Syndrome ... Commonly caused ... #diagnosis #neurology ... sensory #motor #leg #physicalexam
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease caused ... hearing loss, palsy ... of the abducens ... #InfectiousDiseases
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... Infections #HIV #AIDS ... #infectiousdiseases