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How should we assess patent foramen ovale?
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  • Published on:
    The Correct Performance of Valsalva Maneuver is Essential to the Diagnosis of Patent Foramen Ovale

    Dear Editor,

    I wish to echo the excellent points made by Seiler [1] in his editorial on the echocardiographic assessment of patent foramen ovale (PFO).

    First, although contrast transesophageal echocardiogrpahy is said to be the gold standard for diagnosing PFO [1], very often the sedated state of the patient necessary for the transesophageal examination often prevents the patient from performing an effective...

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    Conflict of Interest:
    None declared.
  • Published on:
    Diagnosis of patent foramen ovale

    Dear Editor

    We have read with great interest the recent editorial by C Seiler about how patent foramen ovale (PFO) should be assessed [1]. While contrast transesophageal echocardiography (cTOE) and transcranial Doppler ultrasound have facilitated clinical recognition of right to left shunts, the optimum approach to diagnosis of PFO requires further clarification. The editorial emphasizes the importance of a corr...

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    Conflict of Interest:
    None declared.