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  2. Familial hypercholesterolemia (FH) is a genetic disorder characterized by high levels of cholesterol. Learn the symptoms, how it's treated, and the outlook for this disorder.

  3. Frequency-hopping spread spectrum - Wikipedia

    en.wikipedia.org/wiki/Frequency-hopping_spread...

    Frequency-hopping spread spectrum ( FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying a large spectral band. The changes are controlled by a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code ...

  4. Ten Symptoms of Heart Failure Getting Worse - Healthline

    www.healthline.com/health/heart-failure/symptoms...

    increased shortness of breath. swelling in the ankles, legs, abdomen, or other parts of your body. fatigue. chest discomfort. sudden weight gain. reduced exercise tolerance. persistent cough or ...

  5. Familial hypercholesterolemia - Wikipedia

    en.wikipedia.org/wiki/Familial_hypercholesterolemia

    Familial hypercholesterolemia ( FH) is a genetic disorder characterized by high cholesterol levels, specifically very high levels of low-density lipoprotein cholesterol (LDL cholesterol), in the blood and early cardiovascular diseases. The most common mutations diminish the number of functional LDL receptors in the liver or produce abnormal LDL ...

  6. High Blood Pressure and Heart Failure Risks - WebMD

    www.webmd.com/heart-disease/heart-failure/blood...

    Hypertension is a major risk factor for heart failure. That's because the force pushing on the walls of your arteries as blood moves through them is too strong. That pressure hurts your arteries ...

  7. What Is a Normal Resting Heart Rate? - Healthline

    www.healthline.com/health/heart-disease/ideal...

    80 to 136 beats per minute. 160 beats per minute. 65 years. 78 to 132 beats per minute. 155 beats per minute. 70 years and up. 75 to 128 beats per minute. 150 beats per minute. Note that certain ...

  8. Heterozygous Familial Hypercholesterolemia (HeFH) - WebMD

    www.webmd.com/cholesterol-management/...

    Causes. HeFH is caused by a change in a gene that makes it harder for your body to remove LDL cholesterol from your bloodstream. Cholesterol is a fatty, waxy substance in your blood and cells. It ...

  9. What to Know About Your Heart Rate - WebMD

    www.webmd.com/heart/ss/slideshow-heart-rate

    3 /12. Most healthy adults should have a resting heart rate between 60 and 100 beats a minute. In general, the more physically fit you are, the lower your heart rate will be. Athletes can have a ...