6013 results
Infantile Spasms 
Associated with Tuberous Sclerosis 
1) Flexor spasms: Sudden flexion of neck, trunk, arms, and
spasms: Abrupt extension ... ) Mixed flexor-extensor ... and arms, and extension ... Developmental delay Diagnosis ... Peds #Pediatrics #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
lateral slips of the extensor ... phalanx to enable extension ... central slip of the extensor ... phalanx to enable extension ... Radiology #XRay #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet finger, the extension ... of the terminal extensor ... immobilize • Splint: Extension ... Radiology #XRay #Diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
to the lateral extensor ... central band of extensor ... #differential #diagnosis
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
Musculocutaneous Nerve Elbow Extension ... Radial Nerve Wrist Extension ... to Psoas Hip Extension ... Tibial Nerve Knee Extension ... Orthopedics #Neurology #Diagnosis
Diagnostic Testing for Meningitis
History:
 • Triad: Fever, neck stiffness, and altered mental status
 • Sens: 44%
Diagnostic Testing ... Kernig Sign: • Leg extension ... back/thighs or extension ... #Meningitis #diagnosis ... #Specificity #diagnosis
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 ... 2nd MTP) Big Toe Extension ... #differential #diagnosis
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Stroke Subtle extensor ... #physicalexam #diagnosis
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
- Differential Diagnosis ... Resisted shoulder extension ... #Differential #Diagnosis
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
differential diagnosis ... broader differential diagnosis ... the flexor or extensor ... or eczema) or extensor ... #Diagnosis #Dermatology