45 results
Segond Fracture
- Avulsion fracture of the proximal tibia below the articular surface. 
- Associated with anterior
of the proximal tibia ... cruciate ligament (ACL ... KneeXRay #Clinical #MSK
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
and a chronic ACL ... performing a high-tibial ... alignment and an ACL ... PivotShift #test #ACL ... Sports #Ortho #msk
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Lachman test in ACL-deficient ... and a chronic ACL ... performing a high-tibial ... alignment and an ACL ... cruciate #ligament #msk
Posteromedial Instability on Knee Exam
This is what a knee with posteromedial instability looks like. Notice the
the superficial MCL ... & POL on the tibia ... PhysicalExam #Injury #MSK
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Hypertensive: • High Al ... aldosteronism • High Al ... Differential #Diagnosis #Algorithm ... #nephrology #causes
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
Knee Flexion L5 Tibial ... Plantarflexion S1 Tibial ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
Lachman Test for ACL ... other grasps the tibia ... the thumb on the tibial ... Lachman #Test #ACL ... #physicalexam #msk
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... marrow edema of the tibial ... • Tibial tuberosity ... DOES NOT OSD in all ... Radiology #diagnosis #msk
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Differential Diagnosis Algorithm ... that is leaky all ... drain wide open all ... Differential #Diagnosis #Algorithm ... Causes #workup #nephrology
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... tests for the AC ... Differential #Diagnosis #Algorithm ... #MSK