Blood pressure chart: What your reading means - Mayo Clinic
2024年2月28日 · Top number, called systolic pressure. The top number measures the pressure in the arteries when the heart beats. Bottom number, called diastolic pressure. The bottom number measures the pressure in the arteries between heartbeats. The American College of Cardiology and the American Heart Association divide blood pressure into four general ...
Pulse pressure: An indicator of heart health? - Mayo Clinic
2023年8月18日 · The top number is called systolic pressure. This is the pressure in the arteries when the heart beats. The bottom number is called diastolic pressure. This is pressure in the arteries between heartbeats.
Isolated systolic hypertension: A health concern? - Mayo Clinic
2024年4月25日 · Isolated systolic hypertension happens when the top blood pressure number is 130 mm Hg or higher and the bottom number is less than 80 mm Hg. Isolated systolic hypertension is the most common type of high blood pressure, especially in older age. Isolated systolic hypertension can be caused by conditions such as: Artery stiffness.
High blood pressure (hypertension) - Symptoms and causes
Hypertension can be diagnosed by performing careful and repeated measures of the blood pressure. Blood pressure categories include normal blood pressure, defined as a systolic pressure less than 120, and a diastolic pressure less than 80. Elevated blood pressure is defined as a systolic pressure 120 to 129, and a diastolic pressure less than 80.
Low blood pressure (hypotension) - Symptoms and causes
2024年6月13日 · A sudden fall in blood pressure can be dangerous. A change of just 20 mm Hg can make you feel dizzy or faint. For example, those symptoms could happen after a drop in systolic pressure from 110 mm Hg to 90 mm Hg. And big drops can be life-threatening. These can happen for reasons such as serious bleeding, serious infections or allergic reactions.
Heart failure with preserved ejection fraction (HFpEF): More than ...
2015年5月20日 · Nearly half of all patients with heart failure have a normal ejection fraction (EF). The prevalence of this syndrome, termed heart failure with preserved ejection fraction (HFpEF), continues to increase in the developed world, likely because of the increasing prevalence of common risk factors, including older age, female sex, hypertension, metabolic syndrome, renal …
Heart murmurs - Diagnosis & treatment - Mayo Clinic
2022年5月27日 · A murmur that occurs when blood leaves the heart (systolic murmur) generally is an innocent heart murmur. One that happens when the heart fills with blood (diastolic murmur) or throughout the heartbeat (continuous murmur) may signal a heart problem. Sound changes. Does exercising or changing body position affect the sound?
High blood pressure (hypertension) - Mayo Clinic
2024年2月29日 · A blood pressure reading measures the pressure in the arteries when the heart beats (top number, called systolic pressure) and between heartbeats (bottom number, called diastolic pressure). To measure blood pressure, an inflatable cuff is usually placed around the arm. A machine or small hand pump is used to inflate the cuff.
Heart murmurs - Symptoms & causes - Mayo Clinic
2022年5月27日 · Harmless (innocent) heart murmurs. A person with an innocent murmur usually has a typical heart. Innocent heart murmurs are common in newborns and children.
Left ventricular hypertrophy - Symptoms and causes - Mayo Clinic
2024年8月6日 · Uncontrolled high blood pressure is the most common cause of left ventricular hypertrophy. Complications include irregular heart rhythms, called arrhythmias, and heart failure.