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24. Sept. 2024 · First-degree heart block occurs when the electrical impulse moves through the heart’s AV node slower than normal. This usually results in a slower heart rate. First-degree heart block rarely causes symptoms and may not need treatment. Some medications can cause first-degree heart block as a side effect:
25. Sept. 2024 · A pacemaker is a small device that is implanted under the skin in the chest to help the heart beat the way that it should. Pacemakers send electrical signals to the heart to make sure that heart rate is never too slow. You might only need a pacemaker for a while, like when you're healing from ...
9. Okt. 2024 · Keeping your cholesterol levels in the normal range is important in the prevention of heart disease. If you've recently had a cholesterol screening and your levels are high there are many lifestyle changes you can make to get them in a healthier range.
30. Sept. 2024 · What it is. Heart valve disease is when any valve in the heart has damage or is diseased. There are several causes of valve disease. The normal heart has four chambers (right and left atria, and right and left ventricles) and four valves (Figure 1).
9. Okt. 2024 · Normal newborn vital signs Normal newborn heart rate. A newborn’s heart rate should be between 120–160 beats per minute. Newborn heart rates can fluctuate significantly during activity or crying, often reaching higher rates. Normal newborn blood pressure. A newborn’s blood pressure is supposed to be significantly lower than adult values ...
9. Okt. 2024 · Maintaining normal hemoglobin levels is important, as this blood protein carries oxygen to your cells. There can be slight variations between what different healthcare providers consider “healthy,” but in general, a healthy hemoglobin level for adult males is 13.8 to 17.2 grams per deciliter (g ...
10. Okt. 2024 · There is a one-way valve that allows blood to enter the aorta from the left ventricle during the contraction of the ventricle (systole) but prevents blood from flowing backward into the heart when the ventricle rests (diastole). Also at the root is the left and right coronary arteries, which provide circulation to the heart muscle.
