29 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... onto outstretched hand ... Tenderness to anatomic ... box, pain with wrist ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... ulna, pain with wrist ... #XRay #Diagnosis ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
tenderness to the anatomic ... onto outstretched hand ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports ... #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... findings BPPV • Short-lived ... positional episodes caused ... #differential #diagnosis
Pulmonary Embolism - Risk Stratification and Prognostication based on scores and clinical features

 • Bova score
Pulmonary Embolism ... Prognostication based on scores ... class (30-day all cause ... prognostication #diagnosis ... #management #stratification
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
Exam Crackles: • Short ... alveoli as seen in pulmonary ... Lung #Findings #Pulmonary ... #PhysicalExam # ... diagnosis #signs
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Commonly caused ... Narrowing of spinal canal ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam