26 results
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
Axillary Nerve Shoulder ... Hip Extension S1 Inferior ... Gluteal Nerve Knee ... #Orthopedics #Neurology ... #Diagnosis
Dystocia Maneuvers
1. McRoberts: hyperflexion/adduction of both hips (knees against lateral abdomen) - requires an assistant at
of both hips (knees ... baby's back, rotate anterior ... shoulder toward ... mom in all-fours position ... obstetrics #obgyn #management
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver ... such that the shoulders ... affected ear #Dix ... #Instructions #Diagnosis ... #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
Abdominal Reflex L2 Anterior ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
insufficiency (VBI) - Should ... Occlusion of posterior inferior ... with significant neurologic ... Vertigo #Causes #differential ... #diagnosis #neurology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Hypernatremia #Management ... Algorithm #Sodium #nephrology ... #insipidus #DI
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Elbow and Hip) - Diagnosis ... and Management ... rotation) • Anterior ... (most common), Anterior ... Affected hip and knee
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... "waiter's tip" position ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
head in dependent position ... glaucoma: unilateral anterior ... claudication, shoulder ... thrombophilia, neurologic ... postpartum #Diagnosis
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
Pads in AP position ... . 3) Consider DDx ... #bradycardia #diagnosis ... #differential # ... management #cardiology