9 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Elbow Flexion Biceps ... C6 Dorsal Thumb Wrist ... None T1 Ulnar Antecubital ... Anterior Medial Thigh Hip ... #differential #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... prevent radial and ulnar ... Hyperextension injury ... finger deformity ... Radiology #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
makes a fist with fingers ... stabilizes forearm and ulnar ... pollicis brevis tendons ... Tenosynovitis #clinical ... #video #physicalexam
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
thumb and middle finger ... palpating the ECU tendon ... along the dorsal ulnar ... aspect of the wrist ... #video #physicalexam
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
little, or pinky, finger ... ECU Subluxation diagnosed ... relevant body parts ... #subluxation #clinical ... #physicalexam #video
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Lichen planus - Wrists ... surfaces of arms ... extremities, flexor wrists ... site of previous injury ... #differential #diagnosis
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Pathogenesis and clinical ... mastoid air cells are ... cavities Stage 5: Extension ... Erythema, fluctuant, tender ... signs #symptoms #diagnosis
Handlebar Traumatic Injury 
Young girl presents to you after low energy, helmeted bicycle accident. Her vitals
is moderately tender ... with tylenol and short ... abdomen remains tender ... and/or delayed diagnosis ... #clinical #video