882 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Diagnosis and Causes ... • Clinical presentation ... Pseudo-acute coronary syndrome ... Recent flu-like syndrome ... #cardiology #MRI
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... Most cases are congenital ... #clinical #video
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... superior vena cava syndrome ... #PhysicalExam #clinical ... #video #vascular
Modified Allen's Test - Collateral Hand Circulation
- Apply pressure to the radial and ulnar arteries
- Release
the radial and ulnar ... pressure on the ulnar ... with adequate ulnar ... Test #Modified #clinical ... #physicalexam #video
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Long/short QT syndromes ... , Brugada syndrome ... Cardiac #Arrest #cardiology ... differential #diagnosis #causes
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... grip weakness caused ... by ulnar nerve ... #Nerve #Palsy #clinical ... #video #neurology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Fracture of proximal ulnar ... Peak age 4-10 • Ulna ... ), compartment syndrome ... Fracture #Forearm #Ulnar ... #Radiology #XRay
Jaccoud's Arthropathy on Physical Examination

Deforming non-erosive arthropathy characterized by ulnar deviation of the second to fifth
characterized by ulnar ... deformity with ulnar ... changes as in the video ... Subluxation #Finger #Ulnar ... #clinical #video
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... • Milk-alkali syndrome ... #Differential #Causes ... #Diagnosis #Cardiology