57 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... /0.8)] - PaO2 Normal ... A-a gradient to normal ... : Atelectasis, ARDS
Pediatric Primitive Reflexes - Maneuver and Ages

Palmar Grasp Reflex
 - Place your fingers into the baby's
The arms abduct ... Asymmetric Tonic Neck Reflex ... The arms/legs on ... #Primitive #Reflexes ... Peds #Diagnosis #Neurology
Asymmetrical Tonic Neck Reflex (ATNR)

This primitive reflex found in newborn babies that normally vanishes around 4
This primitive reflex ... newborn babies that normally ... of the infant's arms ... clinical #video #Neurology ... Peds #Pediatrics #Normal
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Cushing's Reflex ... HYPERTENSION with a reflex ... → ↑ Cerebral [CO2 ... HR #Cushings #Reflex ... Pathophysiology #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
activating system/ARAS ... movements; also normal ... Decorticate posturing: Arms ... Decerebrate posturing: Arms ... #PhysicalExam #neurology
Moro Reflex on Newborn Physical Exam

The Moro reflex is obtained by holding the baby’s head and
Moro Reflex on Newborn ... Exam The Moro reflex ... #Moro #Reflex #Peds ... Clinical #Video #Neurology ... #Normal #PhysicalExam
Motor and Reflex Grading (0-5)

Motor Strength Grading

5	Normal

4	Reduced, moves against resistance

3	Moves against gravity

2	Moves only with elimination of
Motor and Reflex ... Strength Grading 5 Normal ... only 0 None Reflex ... Increased 2 Normal ... Grades #Diagnosis #Neurology
Abnormal (Positive, Upgoing) Babinski Sign on Physical Exam

#Abnormal #Positive #Babinski #Sign #PhysicalExam #clinical #video #reflex #pyramidal
Abnormal (Positive ... Physical Exam #Abnormal ... clinical #video #reflex ... #pyramidal #neurology
Lazarus Sign / Reflex in Brain Death - Head Flexion

The presence of this complex spinal reflex
Lazarus Sign / Reflex ... complex spinal reflex ... The Lazarus reflex ... briefly raise their arms ... BrainDeath #BrainDead #Neurology
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
Sensory Motor Reflex ... C6 Dorsal Thumb ... C7 Dorsal Middle ... C8 Dorsal Little ... differential #diagnosis #Neurology