Comment on

• Guidelines for the cardiac sonographer in the performance of contrast echocardiography: a focused update from the American Society of Echocardiography.

  Porter TR, Abdelmoneim S, Belcik JT, McCulloch ML, Mulvagh SL, Olson JJ, Porcelli C, Tsutsui JM, Wei K. Porter TR, et al. J Am Soc Echocardiogr. 2014 Aug;27(8):797-810. doi: 10.1016/j.echo.2014.05.011. J Am Soc Echocardiogr. 2014. PMID: 25085408 Review. No abstract available.
• Safety of ultrasound contrast agents in patients with intracardiac shunts.

  Kalra A, Shroff GR, Herzog CA. Kalra A, et al. J Am Soc Echocardiogr. 2014 Dec;27(12):1359. doi: 10.1016/j.echo.2014.08.021. Epub 2014 Oct 28. J Am Soc Echocardiogr. 2014. PMID: 25440508 No abstract available.