115 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
Dorsal Thumb Wrist Extension ... Middle Finger Elbow Extension ... Femoral Condyle Knee ... Extension None ... Ankle Dorsiflexion Knee
Baroreceptor Reflex Pathophysiology

#Baroreceptor #Reflex #Pathophysiology
Baroreceptor Reflex ... Pathophysiology ... #Baroreceptor #Reflex ... #Pathophysiology
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Cushing's Reflex ... - Pathophysiology ... HYPERTENSION with a reflex ... HR #Cushings #Reflex ... #Pathophysiology
Bilateral Patellar Clonus on Physical Exam
 
Clonus Associated w/Tropical Spastic Paraparesis. 

#Knee #Patellar #Clonus #PhysicalExam #Clinical
#Knee #Patellar ... Neurology #NEJM #reflex
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
flexion of the knees ... While the pathophysiology ... for the hip/knee ... is that hip and knee ... an involuntary reflex
Positive Babinski Reflex with dorsiflexion of the big toe after stroking the sole of the foot.
This
Positive Babinski Reflex ... This extensor response ... #Babinski #Reflex
Kernig's Sign in Meningitis

Kernig's sign is present if the patient, in the supine position with the
with the hip and knee ... cannot extend the knee ... has pain with extension ... of the knee, and ... of the opposite knee
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... • Corneal reflex ... • Gag reflex ... • Cough reflex ... decortication), abnormal extensor
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Radial Nerve Wrist Extension ... to Psoas Hip Extension ... Gluteal Nerve Knee ... Tibial Nerve Knee ... Extension L3 Femoral
Hyperreflexia in serotonin syndrome

- Dr. David Juurlink @DavidJuurlink

#Hyperreflexia #serotonin #syndrome #PhysicalExam #Clinical #Video #Knee #Reflexes
Clinical #Video #Knee ... #Reflexes