93 results
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
Fingers Flexion C8 Median ... T1 Ulnar Nerve Hip ... Gluteal Nerve Hip ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Viral: HSV, EBV, HIV ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis ... #Dermatology #SkinRash
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Flexion - C6, C7 (median ... • Mexion - C8 (median ... opp - C8, T1 (median ... characteristic "waiter's tip ... Dermatomes #Myotomes #diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathology of the Hip ... tears of gluteus medius ... abduction and medial ... pathophysiology #causes ... symptoms #signs #diagnosis
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... Cuff #Syndrome #orthopedics ... #diagnosis #sports
Learning about thromboelastography (TEG).
- Tom Fadial
@thame

#Diagnosis #Hematology #Coagulation #Pharmacology #Thromboelastogram #TEG #Interpretation #Thromboelastography #Laboratory
- Tom Fadial ... @thame #Diagnosis ... #Hematology #Coagulation ... #Pharmacology #
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
injuries: Fractures (medial ... Complex, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
function of the DIP ... Finger deformity caused ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... Management #Hand #Orthopedics
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... #Workup #Hematology ... #Diagnosis * ... Hall Textbook of Medical
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
styloid fracture, median ... Disposition: Pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK