63 results
Unilateral / Asymmetric Lower Extremity Swelling - Differential Diagnosis Framework
Acute:
 • DVT *Can't Miss Diagnosis
 •
Asymmetric Lower Extremity ... - Differential Diagnosis ... Cyst, Cellulitis, Knee ... Regional Pain Syndrome ... Unilateral #Lower #Extremity
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
Knee Examination ... Right Knee - Examination ... #Diagnosis #Sports ... #Knee #PhysicalExam ... #Drawer #Test #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... likelihood of wrist ... radius #fracture #radiology ... #msk #orthopedics ... #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... #differential #diagnosis ... #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... • Cauda Equina Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
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
Radial Nerve Wrist ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... #diagnosis #pathophysiology ... signs #symptoms #msk
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... Framework for Lower Extremity ... Unilateral Lower Extremity ... #differential #diagnosis ... #PhysicalExam #
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... findings • Anterior Knee ... Patellofemoral #Syndrome ... pathophysiology #diagnosis ... signs #symptoms #msk