try to sit down to avoid any kind of injury if you faint. People with respiratory conditions, such as asthma, have an increased risk of passing out during
Some people use the terms blackout and fainting interchangeably, but they are different things. A blackout is aloss of memory. Fainting, also called passing out, is a loss of consciousness. Both of these can have several different causes. Here are some causes of blackouts: Intoxication.One o...
To follow this method, hold your breath for as long as you can. Most people will not be able to do this for very long and will experience oxygen shortage very quickly. This will cause the brain to go into crisis mode making you feel light headed and unsteady before you faint. By holdi...
The heart pumps more forcefully and the blood vessels relax, but the heart rate does not compensate fast enough to maintain blood flow to the brain. People older than 45 years of age rarely experience a first "common faint." Causes of vasovagal syncope include the following: Environmental ...
The Fainting Phenomenon: Understanding Why People Faint and What to do about It, 2nd editionFainting, the sudden and often unpredictable loss of consciousness, can be a frightening experience. While often benign, fainting can sometimes be the sign of serious illness. Recurrent fainting can ...
This anti-adrenaline effect decreases the ability of the heart to pump blood upward toward the brain. Without blood flow, the brain turns off. In Victorian England, young ladies' sensibilities were easily offended causing a vasovagal episode called a swoon. Some people faint at the sight of ...
though some people may experience increased thirst and more frequent urination during pregnancy. It is typically diagnosed through routine screening rather than symptoms. If gestational diabetes is not managed effectively, it can lead to complications, which we will discuss further in the section, How...
Causes of lightheadedness may bedehydration, medication side effects, sudden blood pressure drops, low blood sugar, and heart disease or stroke. Feeling woozy, lightheaded, or a little faint is a common complaint among older adults. What to eat if feeling faint?
which causes objects near the horizon to appear slightly higher in the sky than they really are. Refraction is stronger for blue and green light than it is for yellow and red light, so the blue light of the sun is lifted somewhat more than the red light. This weak prismatic effect of ...
Other causes of angina Poorly controlledhigh blood pressure(hypertension) can place significant strain on the heart muscle as it continues to pump blood, causing pain. Aortic stenosis describes the narrowed valve that controls blood flow from the left ventricle, the chamber of the heart that pumps...