"Happy Hour" Is Unhappy For Many Cardiac Arrest Victims

DALLAS, July 7 -- An analysis of telephone calls to an emergency medical services (EMS) system shows that cardiac arrests commonly occur during the afternoon, as well as in the morning, according researchers reporting in today's Circulation: Journal of the American Heart Association.

Leonard Cobb, M.D. and Alfred P. Hallstrom, Ph.D. at the department of biostatistics and the division of cardiology at the University of Washington, Seattle, used records from the Seattle EMS and found a high number of calls for cardiac arrests in the late afternoon. Studies, including this one, have shown that many cardiac arrests occur around 8 a.m. This is the first to show a definitive peak in the "happy hour" time of day from about 5 to 8 p.m. The fact that the arrests occur at certain times of the day is a phenomenon called circadian rhythm. Circadian rhythms are tied to the 24-hour cycle of the earth's rotation and are possibly a result of changing amounts of light and darkness as a day progresses.

The explanation for the morning peak may be that chemicals that stimulate the heart are at higher levels in the morning than afternoon. But different factors may be at play in causing the afternoon peak.

Over a 23-year period, scientists researched 5,248 adults who had cardiac arrests not caused by drug overdose or respiratory arrest. The 3,690 of these that were witnessed arrests were used to compare circadian variations among subgroups (male vs. female, race comparisons, and age comparisons).

During the study, 597 of the patients had more than one cardiac arrest Of these, 325 could provide a near-exact time of the second cardiac arrest. No difference in times of heart attacks was found between races, genders, or working days vs. weekend days.

The study also provided new information about individuals who have more than one cardiac arrest. The study found that individuals who had a cardiac arrest in the morning had about the same chance of having

Contact: Brian Henry
American Heart Association

Page: 1 2

Related medicine news :

1. Cardiac deaths peak in sleep hours for patients with sleep apnea
2. Cardiac imaging is underused in women to diagnose disease
3. The Larry King Cardiac Foundation presents The Changing Face of Heart Disease on Feb. 2
4. Cardiac complications from smallpox vaccination higher than expected among military personnel
5. Cardiac MRI detects thinned heart muscle previously deemed unsalvageable
6. Nuclear Cardiac Imaging: Society of Nuclear Medicine publishes new book
7. Cardiac MRI provides new 3-D images of beating heart
8. Cardiac disease significantly more debilitating for women than for men, new study finds
9. Cardiac differences in infants born to HIV-positive mothers may persist
10. American Heart Association Comment: Results Of Cardiac Insufficiency Bisoprolol Study II (CIBIS-II)
11. Low Socio-Economic Status Heart Patients Need More Than Just Aggressive Cardiac Procedures

Post Your Comments:

(Date:1/10/2020)... ... January 10, 2020 , ... WellHaven Pet Health, a ... in a new online community coming in February 2020, LEAD WELL with WOMEN. The ... Wellbeing Village. , The vision of LEAD WELL with WOMEN is to empower women, ...
(Date:1/10/2020)... ... January 10, 2020 , ... SMG3Rx, a clinical ... be attending the HIMSS (Healthcare Information and Management Systems Society) Global Conference & ... health information and technology event of the year, where professionals throughout the global ...
(Date:1/8/2020)... ... January 08, 2020 , ... ... sciences teams, announced today that the company is rebranding as Red Nucleus R&D, ... and performance solutions for the life sciences industry. , The addition of ...
(Date:1/8/2020)... ... January 09, 2020 , ... Real ... Webinar, Thursday, Jan. 23, 2020 • 1:30-3:00 p.m. EST, https://www.centerwatch.com/rweanddata ... (RWD) to generate evidence and identify gaps and challenges when conducting trials? The ...
(Date:1/7/2020)... ... January 07, 2020 , ... G-CON Manufacturing, ... to the company’s 200,000 sq. ft. manufacturing site in College Station, TX. The ... dedicated to POD architectural, mechanical, electrical and automation fit out. , “This facility ...
Breaking Medicine News(10 mins):
(Date:1/8/2020)... Mich. (PRWEB) , ... January 08, 2020 , ... ... leader in FDA compliance consulting, is proud to announce the attainment of a ... Council, a regional certifying partner of the Women’s Business Enterprise National Council (WBENC). ...
(Date:1/8/2020)... ... January 09, 2020 , ... ... partner practices a complimentary freezer program. The cryogenic freezer allows practices to have ... top stem cell and exosome biologics require cryogenic freezing. This may include a ...
(Date:1/7/2020)... ... 2020 , ... Myant Inc., the pioneers in Textile Computing™, will be showcasing ... CES 2020 (January 7-10, Las Vegas), including apparel from the Skiin Connected Health & ... of the CES 2020 Innovation Awards. , While electrocardiography, or the study of the ...
Breaking Medicine Technology:
Cached News: