48 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet Finger Absence ... exclude Mallet finger ... • Finger deformity ... MetroHealth_EM #Mallet #Finger ... #Orthopedics #MSK
Disc Herniations - Pathogenesis and Complications
• 90% of Lumbar disc herniations happen at L4/5 and L5/S1
•
Disc Herniations ... 90% of Lumbar disc ... 60% of cervical disc ... -> Disc less able ... complications #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 Fingers ... Median Nerve Fingers ... T1 Ulnar Nerve Hip ... Gluteal Nerve Hip ... #MuscleGroups #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
joint hinge joint ... joint = hinge joint ... tendon), mallet finger ... reduction • Splint: Finger ... #Orthopedics #MSK
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for Hip ... Test assesses for hip ... One hip is maximally ... rises off the table ... video #sports #msk
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP ... compare 1) Extend finger ... passively flex finger ... clinical #video #msk ... #PIP
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... Quinidine • HIT ... • TTP/HUS • DIC ... Differential #Diagnosis #Algorithm
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
Because we saw him ... within two weeks of his ... injury, we are able ... Here, we show his ... collateral #ligament #msk
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis Algorithm ... Pneumonia • (UIP ... Pneumonia • (DIP ... Amy Chung, MD, MSc ... Differential #Diagnosis #Algorithm
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Differential Diagnosis Algorithm ... Disseminated Fungal, HIV ... vein thrombosis), DIC ... Differential #Diagnosis #Algorithm