Thread: Safe Heart Rate
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Old 04-21-2005, 08:50 PM   #30
Rene Renteria
Member Rene Renteria is offline
 
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Join Date: Oct 2004
Location: San Francisco  CA
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I've often wondered what the HR profile of sex looks like.

Well, this isn't HR but blood pressure. Nonetheless, related:

http://www.crossfit.com/discus/messages/21/9557.jpg

It's from a paper on allostasis we discussed a while back. Here's the full PDF and the page with more references:

http://retina.anatomy.upenn.edu/pdfiles/6277.pdf

http://retina.anatomy.upenn.edu/publications.html

I'll have to look for the heart rate info (in the interest of science). It sounds like they may be taking volunteers, if you're interested:
http://www.ncbi.nlm.nih.gov/entrez/q..._uids=11303692

Clin Cardiol. 2001 Apr;24(4):271-5. Related Articles, Links

The cardiovascular response to sexual activity: do we know enough?

Falk RH.

Boston Medical Center, Boston University School of Medicine, Massachusetts 02118, USA.

Interest in comprehensive cardiac rehabilitation over the past 25 years spawned a series of small investigations concerning the heart rate, blood pressure, and ischemic response to sexual intercourse. This information was adequate for advising patients about return to sexual activity after a myocardial infarction or cardiac surgery. However, the introduction of medications for erectile dysfunction enabled impotent cardiac patients to engage in sexual activity and has highlighted the need for more detailed information concerning cardiovascular physiology during coitus. Review of the medical literature indicates a remarkable paucity of such data despite dramatic advances in most other aspects of cardiovascular physiology and pathophysiology. This brief paper gives an overview of the current knowledge of the cardiovascular response to sexual activity and, within the framework of advances in cardiology, highlights areas where it appears important to fill in the knowledge gap.


And you always knew there was something else bad about certain things:
http://www.ncbi.nlm.nih.gov/entrez/q..._uids=15185897

Ital Heart J. 2004 May;5(5):343-9. Related Articles, Links

Sexual activity with and without the use of sildenafil: risk of cardiovascular events in patients with heart disease.

Alboni P, Bettiol K, Fuca G, Pacchioni F, Scarfo S.

Division of Cardiology and Arrhythmologic Center, Civic Hospital, Cento (FE), Italy. p.alboni@ausl.fe.it

The data in the literature on the relationship between sexual activity, with and without the use of sildenafil, and the occurrence of cardiovascular events (ventricular arrhythmias, nonfatal myocardial infarction, stroke and death) have been reviewed in patients with heart disease. To date, only patients with ischemic heart disease (IHD) have been investigated. The prevalence of premature ventricular beats during sexual intercourse is similar to that observed during other daily activities. Therefore, sexual activity does not seem to have a relevant arrhythmogenic effect. The incidence of sustained ventricular tachycardia during sexual intercourse in unknown. The relative risk of nonfatal myocardial infarction is 2.7 in males and 1.3 in females; however, the absolute risk appears extremely low and is similar in normal subjects and in patients with and without IHD. The risk appears to be restricted to the 2-hour time period after sexual intercourse. The incidence of stroke during sexual intercourse appears very low, but clear data are lacking. The incidence of death during sexual activity is unknown; the few available data suggest that it is very low. Extramarital sexual intercourse seems to increase the risk of death. The incidence of cardiovascular events after sildenafil administration has been investigated in placebo-controlled studies in patients with IHD. The incidence of nonfatal myocardial infarction, stroke and death did not significantly differ between sildenafil-treated and placebo-treated patients; therefore, sildenafil does not appear contraindicated in subjects with IHD. However, the drug should be administered with caution in patients with recent myocardial infarction or stroke, in those with active coronary ischemia and in patients with episodes of heart failure. The drug is absolutely contraindicated in patients using nitrates.


It's a crazy world.
Have fun,
Rene'
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