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Heart Disease (Expert Forum)
Blood Pressure, Heart Rate and Environment Temperature
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Blood Pressure, Heart Rate and Environment Temperature
by jmcruz, Jul 25, 2002 12:00AM
Dear Dr.,
- Is there any relation between the environment temperature, blood pressure and heart rate? – Last days the environment is very hot (over 35 degree Celsius, while before was roundly 25) and I noticed that my BP is some less than before and my HR is some higher than before. Is it only normal or emotional state variance or have any link with the weather conditions?
- After resting of swimming in the ocean I noticed that HR is less than before going to the water – Is this related with the lower temperature of the water?
- I also have noticed that (wide interval of registry–more than a year), while both BP and HR in the normal range interval (SP<140;DP<90 and HR 60-100), when BP is higher, HR is lower and when BP is lower, HR is higher – Is this only casual or is there a link between BP and HR?
- I heard that people with tendency to High BP should avoid exposition to sun – Is this right or not? – If so, should they stay in the beach under the sun umbrella except when going to bath or they can expose carefully to sun since a little sun exposed should be benefit like to any other person else?
- For last, is being anxious with our heart health (like some hypochondria focalised on heart) also a significative risk factor for cardiac attack or disease, like over weight, HBP, high cholesterol, sedentary life,…, or these other factors are much more important?
Thanks
- Is there any relation between the environment temperature, blood pressure and heart rate? – Last days the environment is very hot (over 35 degree Celsius, while before was roundly 25) and I noticed that my BP is some less than before and my HR is some higher than before. Is it only normal or emotional state variance or have any link with the weather conditions?
- After resting of swimming in the ocean I noticed that HR is less than before going to the water – Is this related with the lower temperature of the water?
- I also have noticed that (wide interval of registry–more than a year), while both BP and HR in the normal range interval (SP<140;DP<90 and HR 60-100), when BP is higher, HR is lower and when BP is lower, HR is higher – Is this only casual or is there a link between BP and HR?
- I heard that people with tendency to High BP should avoid exposition to sun – Is this right or not? – If so, should they stay in the beach under the sun umbrella except when going to bath or they can expose carefully to sun since a little sun exposed should be benefit like to any other person else?
- For last, is being anxious with our heart health (like some hypochondria focalised on heart) also a significative risk factor for cardiac attack or disease, like over weight, HBP, high cholesterol, sedentary life,…, or these other factors are much more important?
Thanks
Doctor's Answer
by CCF-M.D.-RCJ, Jul 25, 2002 12:00AM
jose,
I'll answer your questions in order as able.
(1) In a warmer climate, the blood vessels near the skin tend to dilate. The dilation will tend to mildly lower BP and mildly raise HR. The HR elevation will particularly occur if a person becomes somewhat dehydrated.
(2) My best guess is that your HR lowers after a swim because you are more relaxed.
(3) There is a definite link between HR and BP. As the BP goes down, say from mild dehydration or vasodilation, the HR will increase to maintain proper perfusion pressure.
(4) I have never heard any discussion of this topic.
(5) A few not-so-well-conducted trials have examined this question: hypochondriasis and "heart neurosis" were not associated with increased cardiac events. I should be publishing a more rigorous discussion of this topic later this year.
Hope that helps.
I'll answer your questions in order as able.
(1) In a warmer climate, the blood vessels near the skin tend to dilate. The dilation will tend to mildly lower BP and mildly raise HR. The HR elevation will particularly occur if a person becomes somewhat dehydrated.
(2) My best guess is that your HR lowers after a swim because you are more relaxed.
(3) There is a definite link between HR and BP. As the BP goes down, say from mild dehydration or vasodilation, the HR will increase to maintain proper perfusion pressure.
(4) I have never heard any discussion of this topic.
(5) A few not-so-well-conducted trials have examined this question: hypochondriasis and "heart neurosis" were not associated with increased cardiac events. I should be publishing a more rigorous discussion of this topic later this year.
Hope that helps.
