Last reviewed: 24 Mar 2025
Last updated: 12 Sep 2023
Summary
Definition
History and exam
Key diagnostic factors
- presença de fatores de risco
- dispneia
- síncope
- tontura
- insuficiência cardíaca congestiva (ICC)/edema pulmonar
- manifestações embólicas
- sopro sistólico ou diastólico
- "plop" do tumor
Full details
Other diagnostic factors
- perda de peso
- fadiga
- febre
- palidez
- artralgia
- Fenômeno de Raynaud
- primeira bulha cardíaca hiperfonética
- estalido de abertura
- Complexo de Carney
- aneurisma intracerebral
Full details
Risk factors
- história familiar de mixoma atrial
- sexo feminino
- idade de 40-60 anos
Full details
Diagnostic investigations
1st investigations to order
- ecocardiograma
- eletrocardiograma (ECG)
- Hemograma completo
- radiografia torácica
Full details
Investigations to consider
- velocidade de hemossedimentação
- proteína C-reativa
- eletroforese de proteínas
- tomografia computadorizada (TC) do tórax
- ressonância nuclear magnética (RNM) do tórax
- biópsia
Full details
Treatment algorithm
ACUTE
candidato à cirurgia
não candidato à cirurgia
Contributors
Authors
Syed Wamique Yusuf, MBBS, FRCPI

Professor of Medicine
Department of Cardiology
University of Texas MD Anderson Cancer Center
Houston
TX
Disclosures
SWY declares that he has no competing interests.
Acknowledgements
Dr Syed Wamique Yusuf would like to gratefully acknowledge the assistance of Dr Daniel J. Lenihan.
Disclosures
DJL declares that he has no competing interests.
Peer reviewers
Paul Heidenreich, MD
Associate Professor of Medicine
Stanford University
Stanford
CA
Disclosures
PH declares that he has no competing interests.
Richard Steingart, MD
Chief
Cardiology Service
Memorial Sloan-Kettering Cancer Center
New York
NY
Disclosures
RS declares that he has no competing interests.
Barry Kneale, MD, FRCP
Integrated Lead Cardiologist
Western Sussex Hospitals NHS Trust and Cardiac Department
Worthing Hospital
Worthing
UK
Disclosures
BK declares that he has no competing interests.
Differentials
- Estenose mitral
- Endocardite infecciosa
- Trombo atrial
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