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Fainting, Dizziness and Fainting, THE MERCK MANUAL OF HEALTH & AGING
Fainting Fainting (syncope) is a sudden and temporary loss of consciousness. A person who has fainted cannot be aroused for several seconds to several minutes. Fainting can be frightening. People who have fainted open their eyes and find themselves slumped in a chair or sprawled on the floor, just moments after they had been going [...]
Dizziness and fainting during pregnancy
Dizziness and fainting during pregnancy Reviewed by the BabyCenter Medical Advisory Board Last updated: October 2006 Is it unusual to feel lightheaded during pregnancy? It’s not uncommon to feel lightheaded or dizzy occasionally. When you’re pregnant, your cardiovascular system undergoes dramatic changes: Your heart rate goes up, your heart pumps more blood per minute, and [...]
Fainting: Low Blood Pressure: Merck Manual Home Edition
Fainting (syncope) is a sudden, brief loss of consciousness. Fainting occurs if brain function is disturbed. Dizziness and light-headedness are common, but other symptoms can occur depending on the cause of fainting. Doctors may use tilt-table testing and tests of heart function to try to determine the cause of fainting. Usually, lying flat causes the [...]
Fainting: Low Blood Pressure: Merck Manual Home Edition
Buy the Book Print This Topic Email This Topic Pronunciations angina angiotensin arrhythmia arterioles atrial atrial fibrillation bradycardia cardiomyopathy echocardiography electroencephalography encephalography fibrillation hypertrophic cardiomyopathy hypocapnia micturition syncope myopathy orthostatic hypotension pericarditis pericardium prostate stenosis syncope vasovagal syncope Fainting (syncope) is a sudden, brief loss of consciousness. Fainting occurs if brain function is disturbed. Dizziness [...]
Orthostatic Hypotension Symptoms, Causes, Treatment
Orthostatic Hypotension (cont.) What causes orthostatic hypotension? Orthostatic hypotension has many potential causes, some affecting only one part of the system that supplies blood to the brain, and others affecting two or three. Loss of fluid within the blood vessels is the most common reason to develop the symptoms of orthostatic hypotension. The fluid may [...]
Low Blood Pressure (Hypotension) Causes, Symptoms, Diagnosis, and Treatment on
Low Blood Pressure Low Blood Pressure Overview Low Blood Pressure Causes Heart Intravascular Fluid The Arterial Wall Medications Pregnancy Endocrine Allergic Reactions Orthostatic Hypotension Diabetes Micturition Syncope (Fainting During Urination or Bowel Movements) Low Blood Pressure Symptoms Exams and Tests Low Blood Pressure Treatment Low Blood Pressure Complications Summary Synonyms and Keywords Authors and Editors [...]
Low Blood Pressure During Pregnancy
It is not uncommon for a woman who is pregnant to have issues with blood pressure. High blood pressure during pregnancy, known as preeclampsia, can be a very serious concern. Low blood pressure, while perhaps not as common as high blood pressure during pregnancy, can still be concerning, though not in the same way that [...]
Low blood pressure natural remedies
Homeopathic low blood pressure natural remedies use very small doses to treat the illness. It can normalize low blood pressure by stimulating our own body system. Abnormal low level of blood pressure can be balanced using low blood pressure remedies (homeopathic). Homeopathy remedies consider all the symptoms both physical and mental, thus the remedy is [...]
Virtual Laboratory
Introduction | Control Experiment | Pretreatment Experiment | Self-evaluation Control Experiment Acetylcholine Acetylcholine acts as an agonist of both muscarinic and nicotinic receptors. However, the affinity for muscarinic receptors is much greater than the affinity for nicotinic receptors. Therefore, unless the muscarinic receptors are blocked one almost never observes nicotinically mediated responses following injection of [...]