The Hip - book

Chlorthalidone

Indications: long acting thiazide like diuretic used in hypertension; edema associated w/ CHF, cirrhosis, steroid and estrogen therapy; Adult: 50-100mg POqd; Contraindications: allergy to sulfa drugs; Caution with patients w/ impaired hepatic or renal function or SLE; Peds: 2mg/kg/dose PO 3 times a week

Choice of Incisions for Dupuytren’s Contracture

      – Choice of Incisions:     – attempt to raise flaps so that normal skin lies at the base of the flap whereas diseased skin (nodules or cords) should lie at the flap tip;     – if a flap is not to be raised, incisions should be placed directly over skin … Read more

Chondral and Osteochondral Injuries of the Knee

– See: Knee Joint Menu – Discussion: – articular cartilage injury and potential for repair; – rotational forces in direct trauma is the most common cause of injury to the articular cartilage; – in adults, the tidemark zone is the weak link between the overlying cartilage and subchondral bone and therefore shearing injuries most often … Read more

Chondrocyte

Discussion (see cartilage menu) chondrocytes occupy lacunae distributed through the matrix; chondrocytes are spherical in deep portion, but are flattened toward the periphery of cartilage; peripheral lacuna may house a single chondrocyte; deeper lacunae may contain two or more chondrocytes; Histology young chondrocytes and chondroblasts have rounded nuclei & may have more than one nucleoli; cytoplasm contains … Read more

Chondrodysplasia Punctata

– Discussion:     – comprises a group of disorders characterized by multiple punctate calcifications in infancy;     – skeletal manifestations include: skin, facial, ocular, and cardiac abnormalities;     – characteristic punctate calcifications are seen on x-ray at birth and usually disappear by one year of age; – Orthopaedic Manifestations:     – … Read more

Chloral Hydrate/Noctec

– for insomnia, used as a sedatvie especially in children; also use as preoperative sedative; sedative hypnotic, non barbiturate; – Adult: 500mg-1gm PO or PR qhs prn (max 2gm/day); – Causes gastric and mucosal irritation; – Contraindicated with marked hepatic or renal impairment, or with severe cardiac disease; – Use with caution w/concomitant oral anticoagulant use … Read more

Chlordiazepoxide/Librium

– for anxiety, ETOH withdrawl; Sedative; will cross react with ETOH; – Adult: Anxiety: 5-10mg PO tid/qid, or 25-50mg IM/IV tid/qid; – ETOH w/drawl: 50-100mg IM/IV; repeat 2-4hr if needed; Max dose: 300mg/24hrs; – tapper doses; Reduce dose in elderly; – relief of severe anxiety disorders: PO20-25mg tid/qid; IM/IV:50-100mg initially, then 25-50mg tid or qid … Read more