Antibiotic that inhibits CYP3A4 -- macrolides, boosts levels of theophylline, warfarin. Antibiotic that boosts CYP3A4 -- rifampin, lowers levels of theophylline, warfarin.
Anterior to the anterior scalene: phrenic nerve. Between anterior and middle scalenes: lower trunk of brachial plexus and subclavian artery. Compression due to muscle or bone overgrowth results in thoracic outlet syndrome: atrophy of hypothenar, thenar eminences; atrophy of interosseus muscles; paresthesias of medial side of hand and arm; weak radial pulse.
Superior laryngeal nerve: cricothyroid muscle, laryngeal mucosa above the vocal folds; recurrent laryngeal nerve: rest of the laryngeal muscles, laryngeal mucosa below the vocal folds.
You drive CARS with your hands and feet: Coxsackie A, RMSF, Syphilis (secondary).
Radiolucency means dark area on chest X-ray (the rays pass through). Opaque means white area (rays are absorbed).
Infantile hypothyroidism: difficulty feeding, somnolence, constipation, failure to thrive. Can lead to cretinism if untreated. Maternal transfer of thyroxine may initially mask the condition.
Nulliparity is protective against cervical carcinoma but a risk factor for breast cancer. Risk factors for cervical carcinoma: young age at first coitus, multiple sexual partners, HPV infection, smoking, multiparity.
Deep inguinal ring: 0.5 inch above the midpoint of the inguinal ligament.
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