Navigation Links
Heart's sounds can help diagnose heart failure
Date:8/10/2010

CINCINNATIFor emergency department patients with shortness of breath and a risk of heart failure, physicians usually grab one thing first: a stethoscope.

It allows them to hear the S3, an abnormal third sound in the heart's rhythm strongly associated with cardiac disease and heart failure. However, the low-frequency, low-pitch sound is notoriously very difficult to hear with a stethoscope alone.

In a study available online in the American Journal of Emergency Medicine, a UC emergency medicine physician concludes that acoustic cardiography, a new technology combining a 12-leed ECG with cardiac acoustic data, can aid physicians in detecting the S3ultimately increasing the accurate diagnosis of acute heart failure in certain subsets of patients.

The study involved analyzing data from one of the largest emergency department-based trials in acute heart failure, the HEart failure and Audicor technology for Rapid Diagnosis and Initial Treatment (HEARD-IT) multinational trial. The trial, conducted at nine sites from March to October 2006, measured the diagnostic accuracy provided by adding acoustic cardiography to an emergency medicine physician's tools.

"The S3 is highly associated with heart failure," says Sean Collins, MD, UC emergency medicine associate professor and lead author of the study. "So we studied how measuring the presence of the S3 changed physicians' impressions of what was going on, how it potentially changed their workup and treatment for patients."

In this publication, Collins and his colleagues conducted a secondary analysis on the HEARD-IT results, focusing on specific subgroups of patients presenting a harder diagnostic puzzle. Those include obese patients, patients with kidney failure and patients with an intermediate level of b-type natriuretic peptide, a biomarker which has been associated with acute heart failure and cardiovascular risk.

They found that adding acoustic cardiography to those patients with indeterminate BNP levels improved diagnostic accuracy 22 percent.

"Our findings suggest we diagnose heart failure only about half the time in these patients without acoustic cardiography," says Collins. "With it, we improve the accuracy to about 70 percent. It's pretty helpful in this subset of patients."

Diagnosing them in the emergency department can put patients on the right pathway to treatment more quickly, says Collins, enabling the physician to streamline further testing and treatment. That's a particular concern with heart failure patients, he says, because many of these patients have associated conditions, such as chronic obstructive pulmonary disease, that make pinpointing the cause of their emergency department visit more difficult.

While Collins says that the HEARD-IT trial didn't make the argument for acoustic cardiography to be used in every patient suspected of having heart failure, this secondary analysis suggests it could be helpful in treating these subgroups.

"It shows that we need to get better at listening for the S3," says Collins, "and this study would suggest that if we don't hear it with our ears, that technology like this might be useful."


'/>"/>

Contact: Katy Cosse
kathryn.cosse@uc.edu
513-558-0207
University of Cincinnati Academic Health Center
Source:Eurekalert

Related medicine news :

1. 2 BigHearts Board Announces Addition to Board of Directors: Michael Unetich
2. High-Stress Jobs Tax Womens Hearts, Too
3. Stem cells from surgery leftovers could repair damaged hearts
4. Mans Best Friend Helps Mend Broken Hearts
5. Tiny Fish Might Help Humans Fix Damaged Hearts
6. Hearts and Minds Promotes Wellness; African Americans Living with Mental Illness Have Higher Risk for Other Illnesses.
7. Researchers discover chemical that may protect hearts of muscular dystrophy patients
8. Healing Wounds and Hearts: Warrior Weekend Helps Soldiers and Marines Relax and Recover
9. Hearts of Hospice Patients Being Needlessly Shocked
10. “Hearts and Minds” Education Program Launched: On Average, People with Mental illness Live 25 Years Less than Other Americans
11. Summer Sounds Can Lead to Hearing Loss
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/13/2017)... ... 2017 , ... The International Association of Eating Disorders Professionals ... the field of eating disorders, announces the opening of early registration for the ... at the Omni Resort at ChampionsGate. , The annual iaedp™ Symposium ...
(Date:10/13/2017)... ... October 13, 2017 , ... ... alumni Hannah Randall, PharmD ‘17, and Jennifer Huggins, PharmD ’17, along with ... for the primary prevention of cardiovascular diseases during the 15th Annual Women’s ...
(Date:10/13/2017)... ... October 13, 2017 , ... Apple Rehab Shelton Lakes , which ... evacuation of the facility as part of a disaster drill on October 3rd. , ... and Shelton City Emergency Manager, as well as the Connecticut Long Term Care ...
(Date:10/13/2017)... ... October 13, 2017 , ... The Visiting Nurse Association (VNA) ... a collection of specialty vendors and unique items from across the nation, this holiday-themed ... and wellness services offered by the VNA. The boutique will be open Saturday, ...
(Date:10/13/2017)... (PRWEB) , ... October 13, 2017 , ... Global Healthcare ... scenic Alexandria Park in Milford, NJ. This free event, sponsored by Global Healthcare ... activity. The fun run is geared towards children of all ages; it is ...
Breaking Medicine News(10 mins):
(Date:10/2/2017)... INDIANAPOLIS , Oct. 2, 2017  Eli Lilly ... its financial results for the third quarter of 2017 ... a conference call on that day with the investment ... performance. The conference call will begin at ... public can access a live webcast of the conference ...
(Date:9/28/2017)... -- Cohen Veterans Bioscience and Early Signal Foundation announce ... home sensors for real-time monitoring of patients with trauma-related ... organization focused on disruptive health solutions for rare disorders ... to record and integrate behavioral, cognitive, physiological and contextual ... ...
(Date:9/23/2017)... 2017 Janssen Biotech, Inc. (Janssen) announced today ... the U.S. Food and Drug Administration (FDA) for the ... the treatment of moderately to severely active rheumatoid arthritis ... are needed to further evaluate the safety of sirukumab ... "We are ...
Breaking Medicine Technology: