January 21, 2010

How common is high blood pressure in pregnancy?

Just wondering, lately I've seen a lot of questions and answers where woman have had high blood pressure during their pregnancies. Thanks for the answers!

It is normal for blood pressure to increase during pregnancy, like 120-125 and 80-90. If your blood pressure goes 140-145/90 then it is considered elevated and will be monitored. If it goes 145 plus/95-100plus then it is considered high and you could be placed on medication, bed rest or if you are far enough along in your pregnancy, then you will be induced.

I have gestational hypertension and my blood pressure has gone from elevated to high back to elevated enough that I am on house rest, need to go for blood/urine work weekly and I see my doctor weekly as well.

It is not common, really only like 1-2/10 pregnant women deal with truly high blood pressure.

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January 9, 2010

How do you prevent low blood pressure?

What foods do you have to consume to prevent low blood pressure? How do you know if you have low blood pressure? Which is worse low blood pressure or high blood pressure?

Blood pressure in the lower range is actually a good thing as long as the person does not have symptoms of lightheadedness or dizziness. High blood pressure is worse, because it is a known risk factor for many conditions including heart disease and strokes. The easiest way to determine if you have low or high blood pressure is to have your blood pressure checked. You can have your blood pressure checked at the doctor's office manually, because this is the most accurate. If that is not an option you can check it at a store that has a blood pressure monitor. Low blood pressure usually does not require treatment or dietary modifications unless the person has symptoms. Salt and fluid consumption can increase blood pressure. Caffeine and nicotine also increase blood pressure, but I would not recommend using them for this purpose. If symptoms are present, then you should be evaluated by your doctor.

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January 6, 2010

How do chemicals in the blood effect blood pressure?

I know that chemoreceptors regulate blood pressure by monitoring the levels of H, O2 and CO2 in the blood, but why and how do these chemicals effect blood pressure?

I know that if too much CO2 and H is found in the blood by chemoreceptors, the medula oblongata will cause vasodialation (or constriction if there is too little im guessing) along with a slower heart rate. But how and why do these chemicals effect the blood pressure?

Recent scientific research suggests that a problem of the inner lining of blood vessel walls, called the endothelium Singular layer of flat cells that lines the walls of the heart, blood vessels, and lymphatic vessels; inner lining of the tunica intima layer of blood vessels, may contribute to hypertension. Substances released from the endothelium can cause blood vessels to dilate or constrict. Some substances also promote or inhibit growth of the smooth muscle cells in the blood vessel wall.

Normally, the actions of these substances are held in balance. But in some people, the constriction chemicals may overpower the relaxation chemicals. Arteries narrow, and blood pressure goes up because it is more difficult for blood to circulate.

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December 28, 2009

What is the correlation between heart rate and blood pressure?

My dad has been suffering from high blood pressure for about a year now. He is at low risk for heart attack because he is very healthy, swimming at the gym every morning 5 days a week (although I'm not sure how good the genetics are). He has noticed just recently that the higher his heart rate is, the lower his blood pressure is. I'm guessing this has something to do with the physiological mechanism behind blood pressure and heart rate, so any additional information about that would be welcome.

The relationship between heart rate and blood pressure is complex. Heart rate and blood pressure vary during the day and are influenced by many factors. Medications also influence the heart rate and blood pressure. I know your father has high blood pressure, but I am not sure if he is on medications. There are certain medications that decrease blood pressure and increase heart rate, such as Hydralazine or Minoxidil. These are not routinely used for most cases of high blood pressure. Other medications decrease both heart rate and blood pressure, such as beta blockers. Many conditions associated with a low blood pressure such as dehydration will be associated with a reflex increase in heart rate. Sometimes if the heart rate is very fast the blood pressure can decrease. As you can see it is pretty complex and difficult to say the reason in your father's case with limited information. If your father does not have symptoms like lightheadedness, then it is most likely nothing to worry about. He can discuss it with his doctor if he is concerned, because his doctor knows the details of his medical history. Good luck.

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December 25, 2009

How do the kidneys raise blood pressure?

How do the kidneys raise blood pressure?

1. They produce hormones that signal blood vessels to dilate, and they retain potassium and water.

2. They produce hormones that signal blood vessels to constrict, and they excrete salt and water.

3. They produce hormones that signal blood vessels to constrict, and they retain salt and water.

4. They produce hormones that signal blood vessels to dilate, and they retain calcium and water.

5. They produce hormones that signal blood vessels to constrict, and they retain salt and excrete water.

3. They produce hormones that signal blood vessels to constrict, and they retain salt and water.

-The renin angiogtensin aldosterone axis

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Get to know more about blood pressure and impact in health

There two know types of blood pressure ailment which are low blood pressure and high blood pressure or hypertension; the cause in each individual varies for many the cause of blood pressure ailment is due to their poor diet and lack of exercise. One common occurrence is the high blood pressure or hypertension. A high blood pressure is a sudden rise Hypertension could sometimes be fatal if a proper first aid was not used. In time that you know that you have a high blood pressure it’s likely that you suddenly have many questions. Understanding how blood pressure, left untreated, can negatively impact your body is first and foremost. In general age is a risk factor and the older you get the more prone you are to cold sore and hypertension. For men they seem to develop it by age 35-55 and for women it is more likely at their menopause stage. Low blood pressure is also know as hypotension, should someone with low blood pressure be alarmed? But what is low blood pressure really? low blood pressure means that the pressure of your blood circulating around your body is lower than the normal or required by body conditions. Hypotension, however, is a relative term, that is a person can have low blood pressure compared to other people who have similar physical characteristics, but may still be perfectly healthy.

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Insomnia occurs more often than what is generally realized. Seeking sleep aid remedies for insomnia, it is one of the most common reasons why people visit their general practitioner. Coming home, dead tired and then lying awake in your bed hearing the seconds ticking away. Experts agree that an individual must get 7 to 8 hours of sleep per night to function on an intellectual level, at their best the next day. There are different levels of insomnia, but in general insomnia is described a condition where an individual is deprived of sleep due to different factors such as stress, anxiety, depression or other psychiatric reasons. There is actually no quick fix for sleeping problems and that not all sleep aid remedies for insomnia have the same effect on every individual. Taking sleeping medication on a regular basis can cause problem such as development of drug-tolerance or drug dependence, physical side effects and if you are taking other medication, there may be interactions with the other drug chemicals in the body. It is vitally important to consult your doctor before you take on any medication on a long term basis.

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