"This disorder is named after Guillaume-Benjamin-Amand Duchenne de Boulogne (1806-1875), a French neurologist, who first described the condition in his 1861 book 13,14."
"interventricular conduction delay with widening of the QRS complex (duration >0.12 seconds)"
"the terminal portion of the QRS in lead V1 is often distorted, with R’ and S’ deflections common"
"Plain radiograph may show non-specific features of Duchenne muscular dystrophy, such as translucent soft tissues reflective of fatty muscle replacement, scoliosis, hypo-inflated lungs, cardiomegaly, and gracile bones 4,5."
Expected headings
"Musculoskeletal"
"Cardiac"
"dilated cardiomyopathy leading to congestive heart failure; often remains subclinical due to physical inactivity 1,3"
"Plain radiograph may show non-specific features of Duchenne muscular dystrophy, such as translucent soft tissues reflective of fatty muscle replacement, scoliosis, hypo-inflated lungs, cardiomegaly, and gracile bones 4,5."
"eventual involvement of the gluteus maximus, gluteus medius and adductor magnus muscles, followed by involvement of the psoas, iliacus, quadriceps, rectus femoris, biceps femoris, peroneus longus, and soleus muscles 2,7-9"
"there is characteristic relative sparing of the sartorius, gracilis, semitendinosus, semimembranosus, and tibialis posterior muscles, even in advanced stages of the condition 2,7-9"