26 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... Tenderness to anatomic ... pain with wrist extension ... #Dissociation #TerryThomas ... Radiology #XRay #Diagnosis
Atrioventricular Septal Defect
aka AV canal defect aka endocardial cushion defect
 • Epidemiology and Associations
 • Embryology
Defect aka AV canal ... Embryology • Anatomy ... Outcomes by Cara ... endocardial #cushion #diagnosis
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... contraction of the wrist extensors ... ECRB) The distal carpal ... clinical #video #physicalexam
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... Second most common carpal ... wrist flexion and extension ... Fracture #Wrist #Carpal ... Radiology #XRay #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... tenderness to the anatomic ... • Most common carpal ... Tenderness to anatomic ... Radiology #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
C7 (median) • Extension ... C8 (median) • Extension ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
pain with wrist extension ... associated injuries: Carpal ... Dislocation #Wrist #Carpal ... Radiology #XRay #Diagnosis
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... it is not all carpal ... • Carpal tunnel ... Median #Nerve #Anatomy ... #diagnosis #neurology
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 ... #testing #physicalexam
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Stroke Subtle extensor ... Testing #Stroke #physicalexam ... #diagnosis #neurology