atrial myxoma

a·tri·al myx·o·ma

a primary cardiac neoplasm arising most commonly in the left atrium as a soft polypoid mucinous mass attached by a stalk to the atrial septum; it may resemble an organized mural thrombus. The symptoms may include cardiac murmurs, which change with alteration of body position and signs of mitral stenosis or insufficiency, with continuous danger of embolism by fragments of the tumor or its entire mass.

Farlex Partner Medical Dictionary © Farlex 2012

atrial myxoma

The most common of the rare, primary cardiac neoplasms.

Clinical findings
Symptoms may be obstructive (right-sided congestion), ± ascites, constitutional (fever, fatigue, arthralgias, myalgias, weight loss), Raynaud’s phenomenon, skin rash, clubbing of digits; related to embolism—shortness of breath, orthopnoea, paroxysmal nocturnal dyspnoea, fainting, palpitations, dizziness and syncope, pleuritic chest pain, haemoptysis. Age of onset 25–55.

Diagnosis
2-D, transoesophageal echocardiography.
 
Management
Excision.
 
Prognosis
Excellent after excision.

Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

atrial myxoma

Cardiology The most common 1º cardiac neoplasm, age of onset 25-55 Clinical Symptoms may be obstructive–right-sided congestion—most are right-sided, ± ascites, constitutional–fever, fatigue, arthralgias, myalgias, weight loss, Raynaud's phenomenon, skin rash, clubbing of digits, and related to embolism–SOB, orthopnoea, paroxysmal nocturnal dyspnea, fainting, palpitations, dizziness and syncope, pleuritic chest pain, hemoptysis Diagnosis 2-D, transesophageal echocardiography Management Excision Prognosis Excellent after excision

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.