35 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
to the radial nerve ... axillary nerve ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
patient under anesthesia ... That causes the ... clinical #video #PhysicalExam ... #Sports #Ortho
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... of the radial nerve ... sleeping as in this case ... #Palsy #PhysicalExam ... orthopedics #msk #sports
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Spinal stenosis/nerve ... Paralysis 4) Paresthesia ... #differential #diagnosis ... extremity #msk #physicalexam
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... grip weakness caused ... by ulnar nerve ... video #neurology #physicalexam ... #orthopedics #sports
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... Tumor Cranial nerve ... neuromas Vagus nerve ... vision or black spots ... #differential #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
saddle (perineal) anesthesia ... Commonly caused ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
inner retinal nerve ... -> Cotton-wool Spots ... -> Elschnig's Spots ... optic nerve swelling ... ophthalmology #diagnosis
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... - Cotton wool spots ... conditions Optic Nerve ... vision: • Optic Nerve ... #Algorithm #Causes
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Hard Exudates • Nerve ... -> Cotton-wool spots ... more superficial nerve ... retinal ischemia causes ... ophthalmology #diagnosis