This causes a decrease in blood flow. The heart rate may be either too fast or too slow to pump blood well. This condition usually causes fainting without any warning symptoms. Cardiac obstruction: Blood flow can be obstructed within the blood vessels in the chest. Cardiac obstruction can ...
Fainting Spells - Syncope: What is it and why does it happen?Kirkland G.L. JrProceedings of the Pennsylvania Academy of Science
Vasovagal syncope is a common cause of dizziness, lightheadedness, and fainting. The vagus nerve is overstimulated and causes the body's blood vessels to dilate and the heart to slow down. This anti-adrenaline effect decreases the ability of the heart to pump blood upward toward the brain. ...
A positive reflex is more common in women than men and is unilateral in over 90% of patients[54]. Interestingly, hair within the ear canal can stimulate Arnold's nerve and trigger the urge to cough (Oto-tricho-tussia). Such patients can be easily treated by removing the hair[55]. ...
1 : having a feeling of whirling or spinning about : dizzy. 2 : causing dizziness a giddy height.
Newly pregnant women may feel emotional, anxious, or depressed, and have crying spells. Mood swings may be worst in the first trimester, easing up somewhat in the second, and coming back as the pregnancy nears the end in the third trimester. ...
fainting spells, and pain in the upper part of your abdomen. Call your doctor if you havenausea,vomiting, or sweating; or palpitations or dizziness and you don't know the cause. The most common symptoms of heart attacks are: unremitting or prolonged chest pain, ...
Toxemia is a serious medical condition that affects pregnant women. If toxemia is left undiagnosed and untreated, it can lead to...
spells, frequently triggered by low threshold stimuli which the patient faces during his usual daily activities such as exposure to a changing temperature, aerosols, perfumes, odors, or during talking or laughing. Cough reflex hypersensitivity is observed in all respiratory diseases (either acute or ...