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Case Reports
. 2015 Apr 15:2015:bcr2014209119.
doi: 10.1136/bcr-2014-209119.

Arrhythmias are not to blame for all cardiac syncope patients: left atrial myxoma causing syncope in a middle-aged man

Ali Raza Rajani  1 , Reem Naif Muaz  1 , Pushpa Rani Govindaswamy  1 , Muhammad Hamid Mian  1
Affiliations
Case Reports

Arrhythmias are not to blame for all cardiac syncope patients: left atrial myxoma causing syncope in a middle-aged man

Ali Raza Rajani et al. BMJ Case Rep. .

Abstract

A 47-year-old man presented with a history of syncope that lasted for 3 min and was not accompanied by jerky movement of limbs or incontinence. After regaining consciousness, he felt generalised weakness. There was no history of chest pain or palpitation. ECG showed normal sinus rhythm. All blood investigations were normal. Transthoracic echocardiography showed a large multilobulated echo dense mass in the left atrium. The mass was prolapsing through the mitral valve during diastole. Transoesophageal echocardiography verified these findings and also showed the stalk of the mass attached to the interatrial septum near the fossa ovalis. The mass was highly suggestive of myxoma. The patient underwent surgical resection of the mass and histopathology confirmed the diagnosis of left atrial myxoma.

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Figures

Figure 1
Figure 1
(A) Transthoracic echocardiography in parasternal long-axis view and (B) apical long-axis view showing prolapsing of the left atrial myxoma.
Figure 2
Figure 2
Transoesophageal echocardiography showing stalk of the mass attached to interatrial septum above fossa ovalis.
Figure 3
Figure 3
(A) Haemorrhagic external surface of myxoma and (B) histopathology of mass showing myxoid cell and stellate cell.
See this image and copyright information in PMC

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