Ortho Oracle - orthopaedic operative atlas

Probenecid

– Discussion:     – uricosuric agent;     – for Gout, maintenance of serum levels of penicillin;     – inhibits tubular secretion of penicillins;     – adult:           – gout: 0.25gm bid for 1 week, then 0.5 gm PO bid;           – penicillin: 1-2 … Read more

Procainamide: Pronestyl/Procan

– See:  – Class I Agents  – Discussion:  – for supraventricular and ventricular arrhythmia (if lidocaine has failed);  – is Class I antiarrhythmic, similar to quinidine;  – requires a relatively long time to achieve therapeutic levels;  – after new onset fibrillation or flutter have been controlled, add quinidine or procainamide to help maintain sinus rhythm;  … Read more

Pressure Irrigation

– See:     – topical antimicrobials     – skin prep agents – High Pressure Irrigation:     – irrigation can remove enough wound bacteria to cross the threshold to non-infected states, but only if the irrigant is delivered with sufficiently high pressure to mechanically disrupt bacterial adherance to the wound surface;      – to be clinically … Read more

Press Fit Femoral Stems

– See: Total Hip Replacement Menu:              – Insertion of Cementless Femoral Stem:              – Radiology of Press Fit Stems:              – Removal of Cementless Stems:  – Discussion:     – indications:            – younger patients (less than … Read more

Pressure Tracings at different catheter positions

– in jugual or subclavian vein, typical CVP pattern is observed. – as catheter is advanced thru tricuspid valve, into Rt ventricle, one will see a high amplitude, smooth regular wave form representing the      ventricular contraction; Note: there is not dicrotic notch and that at its lowest, the wave for is near 0; – as … Read more

Prevention of Diabetic Foot Ulceration

– See:       – Charcot Changes in the Diabetic Patient       – Diabetic Foot Menu       – Pedorthic Footwear Association – Discussion:     – foot orthotics      – any diabetic patient who lacks protective sensation should have aggressive protective foot care;     – diabetic foot should be protected by a padded … Read more

Methods to Prevent Surgical Infection:

    – Antibiotics:            – prophylactic antibiotics            – local antibiotic delivery            – antibiotic beads            – addition of antibiotics to cement      – Skin Preparation:           – topical agents:                 – skin prep agents                 – topical antimicrobials      – Reduction in OR Contamination:            … Read more

Primary Nerve Repair

– Discussion:     – in sharp clean wounds primary repair is indicated;     – by definition primary repair is performed within 7 days of injury;     – age of the patient is single most critical factor in sensory recovery after nerve repair, & results are adversely affected by associated         … Read more

Prevertebral Soft Tissues

– Discussion:     – soft tissue swelling is indirect indicator of significant trauma, esp when the soft tissue swelling is above the epiglottis;     – retropharyngeal soft tissue swelling should not exceed:          – anterior to C3 should not exceed 3 mm.          – if > than 5 … Read more