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Do you know your blood pressure numbers? Dr. Michael Bloch explains how maintaining healthy numbers are important for good quality of life and increasing longevity. High blood pressure, or hypertension, affects 85 million Americans – that’s one in three people. Left untreated, it can lead to serious and sometimes life-threatening health concerns such as vision loss, kidney disease, heart failure, heart attack and stroke. But what is it, exactly, what makes it go up and why is that increase in pressure so dangerous? All About Blood Pressure In order to function properly, your body requires a continual supply of oxygen rich blood, which is goes to organs and tissues via blood vessels called arteries. Your beating heart produces the force (or pressure) your vessels require to move blood. This is your blood pressure. Your blood pressure numbers reflect two forces at work – the pressure created as blood is pumped throughout the body (systolic) and the pressure when your heart is at rest in between beats (diastolic). A normal, healthy reading shows a systolic level at 120 or below over a diastolic level of 80 or less: 120/80. An increase in pressure occurs slowly over time, straining the circulatory system and forcing the heart, blood vessels and tissues to work harder. This friction damages blood vessel walls and lets plaque buildup from LDL cholesterol, setting the stage for hardening of the arteries. As more and more plaque builds up, your blood vessels narrow, further raising blood pressure, damaging the circulatory system and increasing your risk of serious health conditions. The Silent Killer High blood pressure is known as a “silent killer,” as most people with it have no symptoms. In fact, one in six of those affected don’t even know they have the condition. That’s why it’s so important to know your numbers. The only way to find out if you have high blood pressure is to have it measured, either by a health professional or using a home monitor. If your numbers are high, there are things you can do to help lower it – it is treatable, but not curable. You can manage it with medications and lifestyle changes including: Adhering to the Mediterranean diet Decreasing sodium intake Avoiding excessive alcohol consumption Increasing exercise and activity levels Losing weight Prevention and Genetics Even better? High blood pressure doesn’t just happen. You can prevent the condition altogether. How? Know your numbers and know your risk. Look at your family medical history. Genetics certainly increases the risk of it, but those same lifestyle choices that can improve poor blood pressure can also prevent you from developing it. So if your numbers are good, keep them that way – eat well, move your body, maintain a healthy weight and drink alcohol in moderation.

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There are some important numbers to know when it comes to good health. Learn more and receive a free blood pressure check at a primary care open house Feb. 27 at Renown Medical Group – Double R. Know Your Numbers Adults are pretty good at knowing and memorizing numbers — from passwords and PINs to addresses and phone numbers. But what about the numbers that could help save your life? Heart disease remains the leading cause of death in the U.S., with 633,842 deaths attributed to the disease in 2016, according to the National Center for Health Statistics. The American Heart Association lists the vital numbers you need to monitor to help prevent heart disease as blood pressure, total cholesterol, blood sugar and body mass index (BMI). With these numbers, your doctor can assess your risk of developing heart issues such as atherosclerosis, which can lead to other serious heart conditions. Atherosclerosis is a condition wherein plaque builds up in the arteries — the blood vessels that transport oxygen-rich blood to cells, the heart and other organs. These fatty deposits clog the arteries, inhibiting blood flow and reducing the amount of much-needed oxygen the body receives. These blockages can lead to angina, coronary heart disease, peripheral artery disease and even heart attack or stroke. But knowing your numbers and keeping them in healthy ranges can mitigate your risk of atherosclerosis and other heart conditions. First things first: Make an appointment with your healthcare provider to see how you’re doing. Learn your numbers and discuss how they may increase your personal risk of heart disease: Total Cholesterol Because cholesterol contributes to the buildup of plaque, keeping your numbers in check means keeping your arteries free of blockages. Check LDL (bad) cholesterol and HDL (good) cholesterol. Your body needs low levels of LDL, but not enough good cholesterol in your system can also increase risk. You can maintain healthy numbers by staying physically active and consuming a heart-healthy diet low in cholesterol and sodium. Statins, the class of drugs used to reduce LDL cholesterol, have proven so effective that the U.S. Preventive Service Task Force recommended in November that all adults older than 40 with one or more risk factors consider taking them. Blood Pressure High blood pressure places undue strain on your heart and arteries to move blood and oxygen throughout the body. And a heart that’s working too hard can lead to stroke, heart attack and heart failure. High blood pressure cannot be cured, but it can be managed by eating a heart-healthy diet low in alcohol, staying active and maintaining a healthy weight. Blood sugar Given that the body converts most of the food we eat into glucose, or blood sugar, for energy, adding sugar to the diet can raise blood sugar to unhealthy levels and damage the heart, increasing risk of cardiovascular disease and obesity. Opt for foods that are low in fat and added sugars and, instead, get your sweets in naturally occurring foods. Let added sugars be a treat and not the norm. Body Mass Index (BMI) Your BMI is used to determine whether you’re at a healthy weight. If you’re carrying extra pounds, the heart has to work harder, which increases risk of heart disease. Losing those pounds and maintaining a healthy weight reduces the burden on your heart and blood vessels and improves your blood pressure and cholesterol levels. So eat a heart-healthy diet and get active — even if you simply walk for 30 minutes a day. Because no symptoms indicate that you have poor cholesterol numbers, high blood pressure or high blood sugar levels, getting screened and learning your numbers is vital. Your doctor can determine what healthy levels look like for you individually and work with you to develop a plan for staying in optimum ranges. That plan will include heart-healthy eating, exercise, abstaining from smoking and, in some cases, medication. It’s up to you to stick with that plan between doctor visits. Do it for yourself, but consider making a pact for a more heart-healthy, active life with a buddy. Research shows people stick with exercise plans longer when they have a partner. This article also appeared in the Reno Gazette-Journal’s Health Source Aug. 27.

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Northern Nevada's stunning lakes, including Lake Tahoe, with its average summer water temperature of 50 degrees, present a potential risk of hypothermia. Unlike mild 50-degree air, water at the same temperature poses severe, life-threatening risks, including rapid-onset hypothermia and drowning. Awareness of the symptoms and taking proper precautions are crucial to prevent cold-water drowning. The 4 Phases of Cold-Water Drowning 1. Cold Shock Response: This response affects breathing and happens within the first minute. An automatic gasp reflex occurs in response to rapid skin cooling. If the head goes below water, water may be breathed into the lungs, resulting in drowning. A life jacket will help keep your head above water during this critical phase. Additionally, hyperventilation, like the gasp reflex, is a response to the cold and will subside. Panic will make this worse, so the key is to control breathing. 2. Cold Incapacitation: This response occurs within the first five to 15 minutes in cold water. In order to preserve core heat, vasoconstriction takes place decreasing blood flow to the extremities to protect the vital organs. The result is a loss of movement to hands, feet, arms and legs. Unless a life jacket is being worn, the ability to stay afloat is next to impossible. 3. Hypothermia: Important to note, it can take 30 minutes or more for most adults to become hypothermic. So there’s time to take action and survive. Keeping panic at bay is critical, as you have more survival time than you think. Symptoms include: Shivering Slow and shallow breathing Confusion Drowsiness or exhaustion Slurred speech Loss of coordination Weak pulse 4. Circum-rescue Collapse: This experience can happen just before rescue and is not well understood. Symptoms range anywhere from fainting to death. Some experts believe an abrupt drop in blood pressure may cause this final stage of cold water drowning, post-rescue. Additional Safety Tips and Helpful Resources Always wear a personal flotation device as well as a wetsuit or drysuit. Your personal flotation device is the most important piece of water safety gear. Try not to panic as the first phases will subside. Controlled breathing is to staying calm. Research suggests the body can withstand the cold longer than we think. The Heat Escape Lessening Posture (HELP) is a position which helps conserve energy if you’re wearing a personal flotation device. By hugging your knees to your chest, this posture helps maintain body heat for some time.

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