58 results
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
looseness of the knee ... That causes the ... knee to buckle during ... Lachmans #test #ACL #Knee ... cruciate #ligament #msk
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
Achilles Tendon Rupture in Slow Motion

Caused by high speed knee extension with ankle dorsiflexion.

Dr. Boris Gojanovic
Slow Motion Caused ... by high speed knee ... #PhysicalExam #msk
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 ... Diagnosis Framework Knee ... distal to the knee ... #Effusions #causes ... differential #diagnosis #msk
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Categorized by causes ... Cardiac, Pulmonary, MSK ... Pleuritic #ChestPain #Causes ... #Differential #Algorithm
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
- Differential Algorithm ... - Non-MSK - Axial ... #Differential #Algorithm ... #Causes
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Usually involves the knee ... involve the b/l wrists ... Differential #Diagnosis #Causes
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... trauma_modern #Wrist ... #orthopedics #msk
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Differential Diagnosis Algorithm ... scale on elbows & knees ... flat-topped) papules on wrists ... Differential #Diagnosis #Algorithm ... #causes
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
syncope from other causes ... Ask about precipitating ... Common causes of ... Neuro #IM #Sycope #Causes ... #Differential #Algorithm