145 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor Function ... Pronation - C7, C8 Wrist ... Erb's Palsy is caused ... Horner Syndrome Wrist ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... trauma_modern #Wrist ... #Nerve #Palsy #PhysicalExam ... #orthopedics #msk
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Categorized by causes ... Cardiac, Pulmonary, MSK ... Pleuritic #ChestPain #Causes ... #Differential #Algorithm
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
- Differential Algorithm ... - Non-MSK - Axial ... #Differential #Algorithm ... #Causes
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... deviation of the wrist ... #Instability #Wrist ... #msk #orthopedics ... clinical #video #physicalexam
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Physical Exam Caused ... Winged #Scapula #PhysicalExam ... video #neurology #msk
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
but can include functional ... ulna, pain with wrist ... Triquetrum #Fracture #Wrist ... Orthopedics #Sports #MSK
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Cause - Decreased ... transport, renal function ... Gastrointestinal function ... Differential #Diagnosis #Algorithm
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... a mass as the cause ... Dislocation • Functional ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis Algorithm ... Impaired cardiac function ... Amy Chung, MD, MSc ... Diseases #ILD #Causes