Ortho Oracle - orthopaedic operative atlas

Parsonage-Turner Syndrome / Neurologic Amyotrophy

– See:       – Images in clinical medicine. Neuralgic amyotrophy.  – Discussion:      – brachial plexus / brachial neuritis       – acute brachial neuropathy (acute brachial radiculitis, Parsonage-Turner syndrome) is of unknown etiology and appears sporadically but may             follow immunization, or viral illness;     – predominant clinical finding is pain, usually limited to the shoulder;      … Read more

Paroxetine / Paxil

– Discussion:     – type of antidepressant medication which is a selective serotonin inhibitor;     – initial dose is 20 mg PO qAM, and maximum dose is 50 mg PO qAM;     – may also be used in chronic pain syndromes

PAROXYSMAL NODAL TACHYCARDIA

– may produce inverted P waves which can appear immediately before or just after each QRS complex in the tachycardia;  Causes of Irregular Tachycardia:  1) A. Fib  2) MAT   3) Sinus Tach w/ PACs  4) Sinus Tach w/ PVCs  – Look for R on T pattern   – Multifocal PVCs  – PVC Salvos: 3 or more … Read more

Paron’s Space

– Discussion:     – potential space between FPL tendon, FDP tendons, & pronator quadratus;     – is known as the subtendinous space of the wrist or Parona’s space;     – pus in FPL sheath can ascend in the radial bursa and eventually rupture into this space;     – pus in little … Read more

Paronychia

– See:      – Hand Infections      – Phalangeal Injury – Menu      – Nail Bed Injuries: – Discussion:     – when infections extend under nail & chronic inflammatory process develops, often a pyogenic granuloma develops;     – in some cases, these patients will have weakened immune system (elderly, diabetes, ect); … Read more

Paralytic Scoliosis

    – Discussion:  – preadolescents w/ spinal cord injury have > 95% prevalence of scoliosis & 50% of pts have a pelvic obliquity;  – progressive kyphoscoliosis results from effects of gravity & loss of spinal musculature;  – up to 2/3 of these patients will requre arthrodesis to prevent severe curve progression;  – Non Operative … Read more

Parasites which may cause Eosinophilia

– Ascaris species  – Toxocara species  – Ancylostroma species  – Necator americanus  – Strongyloides stercoralis  – Trichinosis  – Echinococcosis  – Schistosomiasis