73 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... Effusions #causes #differential ... #diagnosis #msk
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 Middle Finger ... Finger Flexion ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... NerveRoots #Levels #differential
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 Fingers ... Median Nerve Fingers ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... 1) Finger agnosia ... name their own fingers ... - Inability to differentiate ... neudrawlogy #Gerstmann #Syndrome
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... @docskalski #Knee ... Diagnosis #Bony #Differential ... peds #pediatrics #msk
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... findings • Anterior Knee ... Patellofemoral #Syndrome ... signs #symptoms #msk
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Wide (1) VT - DANGER ... B Afib + WPW - DANGER ... Vfib/flutter - DANGER ... (2) Sick Sinus Syndrome ... electrocardiogram #cardiology #differential
Unilateral / Asymmetric Lower Extremity Swelling - Differential Diagnosis Framework
Acute:
 • DVT *Can't Miss Diagnosis
 •
Extremity Swelling - Differential ... Cyst, Cellulitis, Knee ... Regional Pain Syndrome ... Extremity #Swelling #Differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... @docskalski #Knee ... Diagnosis #Bony #Differential ... Radiology #XRay #msk
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
• Colles (90% "dinner ... carpal tunnel syndrome ... reduction using finger ... #Orthopedics #MSK