Ortho Oracle - orthopaedic operative atlas

EKG Changes w/ PE

– Discussion:   – unexplained tachycardia   – rt Strain Pattern; — S1, Q3 — Rt Ax Dev — RBBB    – note that new onset atrial fibrillation may occur from a pulmonary embolus Electrocardiographic manifestations of pulmonary embolism. When atrial fibrillation occurs with pulmonary embolism, is it the chicken or the egg? Pulmonary embolism: clinical and … Read more

EKG Interpretation

div class=”mh-row clearfix”> h1>/h1> div class=”bodycopy”>hr size=”3″/>br/> b>- See:br/>         – a href=”http://einthoven.uokhsc.edu/rhythms.html”>Univ Oklahoma – EKG Rhythms/a>/b>br/>         – a href=”/GMO/ClinicalSection/010Arrhythmias.html”>GMO Manual/a>br/>         – a href=”http://www.merck.com/!!sPaBn00bMsPfg62zwf/pubs/mmanual/html/nhnllkif.htm”>Merck Manual/a>br/> br/> – individual waves: a href=”/orthopaedics-related-topics/medications/p-wave-discussion/”>P/a> a href=”/orthopaedics/qrs-wave-discussion/”>QRS/a> a href=”/orthopaedics/q-waves-discussion/”>Q/a> a href=”/orthopaedics-related-topics/medical-topics/causes-of-qt-widening/”>QT widening/a> a href=”/orthopaedics/t-waves-discussion/”>T/a> a href=”/orthopaedics/st-segment-discussion/”>ST seg/a> a … Read more

EKG RYTHM

1) Note if each QRS is proceded by P wave/if ea QRS following ea P wave;  2) Note any variation in PR wave interval;  3) ” ” ” RR wave interval (duration between QRS cycles)  4) Note any etopic beats

Elastic strain

div class=”mh-row clearfix”> h1>/h1> div class=”bodycopy”>hr size=”3″/> br/> strong>- Discussion:/strong>br/>     – stretch appied to an object which when removed will allow object to revert to its original resting length without permanent deformation;br/>     – produces a linear “a href=”/orthopaedics/stress/”>stress/a>/a href=”/muscles-tendons/strain/”>strain/a>” slope;br/>     – a href=”/orthopaedics/yield-strength-point/”>yield point/a> or limit or proportionality, denotes … Read more

Elbow Arthritis:

Arthroscopic treatment of the arthritic elbow. Management of elbow osteoarthritis. Primary Osteoarthritis of the Elbow: Current Treatment Options Osteoarthritis of the elbow: results of arthroscopic osteophyte resection and capsulectomy Débridement arthroplasty for primary osteoarthritis of the elbow Debridement arthroplasty for primary osteoarthritis of the elbow. Surgical technique Arthroscopic debridement without radial head excision of the … Read more

Elbow Arthroscopy

(see also: Elbow Arthritis) Equipement 30 deg, 4 mm arthroscope; arthroscopic pump; Positioning patient is usually prone with sandbag placed under antecubital fossa; TV monitor is positioned opposite of the patient; ulnar nerve is palpated to pinpoint its location and to ensure that it does not subluxate with elbow flexion instill fluid into the joint … Read more

EDROPHONIUM (TENSILON)

– For dx of Myasthenia Gravis and serves as a curare antagonist;  – Anticholinesterase, raises acetylcholine levels;  – Adults and Peds:  – Test for Myasthenia: 0.2 mg/kg; give 1/5 dose IV in 1 min; if tolerated, give remainder of dose; positive test is a brief increase in strength;  – may cause severe cholinergic effects; Keep … Read more

Ehlers-Danlos Syndrome

(see also: Marfan’s Syndrome) Discussion autosomal dominant disorder characterized by hyperextensibility of “cigarette paper” skin joint hypermobility and dislocation, soft tissue/bony fragility, and soft tissue calcification; joint effusions and arthralgias are common, and children are often misdiagnosed with forms of arthritis; all forms the disease may cause skin fragility, bruising, scarring, joint discomfort and osteoarthritis; … Read more

Eikenella Corrodens

– Discussion:     – facultative anaerobic gram negative rod – seen in human bite infections     – staphylococcus aureus and streptococci remain the most common pathogens isolated from human bite wounds.     – requires a special medium for growth in culture; – Sensitivities:     – it is sensitive to penicillin, 2nd … Read more