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Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Effusion Red Flags ... Effusions - Septic ... Effusions: - ... Effusions: -
Knee Effusion: Trauma induced swelling of right knee.

Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images

#Clinical
Knee Effusion: Trauma ... swelling of right knee ... Clinical #Photo #Knee ... #Effusion #Traumatic
Evaluation of Suprapatellar Knee Effusion (normal knee) on Point of Care Ultrasound (POCUS)

POCUS for knee effusions:
Effusion (normal ... Care Ultrasound (POCUS ... ) POCUS for knee ... effusions: remember ... #MSK #POCUS #Clinical
Kernig's Sign in Meningitis

Kernig's sign is present if the patient, in the supine position with the
with the hip and knee ... cannot extend the knee ... has pain with extension ... of the knee, and ... of the opposite knee
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 Extension ... to Psoas Hip Extension ... Gluteal Nerve Knee ... Tibial Nerve Knee ... Extension L3 Femoral
Varus Stress Test for LCL Injury on Knee Physical Exam

The knee is examined in extension and
LCL Injury on Knee ... Physical Exam The knee ... is examined in extension ... lateral side of the knee ... #Stress #Test #Knee
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Maltracking Patella on Knee ... with flexion and extension ... JSign #J #Sign #Knee
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
- Patient with knee ... in extension. ... is produced in knee ... #physicalexam #knee
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
POCUS Pearls for ... - Pericardial Effusion ... Cardiac #Tamponade #POCUS ... Evaluation #Cardiology #Effusion
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
POCUS Pearls for ... - Pericardial Effusion ... Cardiac #Tamponade #POCUS ... Evaluation #Cardiology #Effusion