14 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... • Claw Hand - Ulnar ... Injuries #Anatomy #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... • Loose anagen syndrome ... (all scalp and facial ... #HairLoss #Alopecia ... #dermatology #Differential
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
Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar ... Extension None L4 Medial ... NerveRoots #Levels #differential
Facial Swelling - Differential Diagnosis Framework for Facial Edema

Infectious:
	• Dental abscess
	• Ludwig's angina
	• Vincent's angina
	• Cellulitis
	•
Facial Swelling ... Framework for Facial ... Rosacea • Solid facial ... the midface • Facial ... mountain sickness #Facial
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Loss (Alopecia) - Differential ... • Loose anagen syndrome ... (all scalp and facial ... stress #Diffuse #HairLoss ... #Alopecia #dermatology
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
pressure. 2) The wrist ... then moved from ulnar ... to radial deviation ... #Instability #wrist ... #clinical #video
Allen's Test on Physical Exam

Allen's Test is used to test the integrity of blood flow and
hand through the radial ... arteries in the wrist ... , but when the radial ... #PhysicalExam #clinical ... #radial #artery
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Facial Edema ... Resolution > 15 days Differentials ... SinaiBmoreIMRes #DRESS #Syndrome ... #dermatology #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Localized / Focal ... , Loose anagen syndrome ... #Diagnosis #dermatology ... #Hairloss