94 relations: Acidosis, Adrenal insufficiency, Allergy, Alpha blocker, Anemia, Angiotensin II receptor type 1, Antidepressant, Antihypotensive agent, Arteriole, Artery, Autonomic nervous system, Back pain, Beta blocker, Bleeding, Blood pressure, Blood volume, Bradycardia, Caffeine, Calcium channel blocker, Cardiac output, Cardiogenic shock, Chest pain, Circulatory system, Cough, Diarrhea, Digestion, Diuretic, Dizziness, Dopamine, Dysautonomia, Dysuria, Electrolyte, Epileptic seizure, Fatigue, Fever, Flammer syndrome, Gastrointestinal tract, Glaucoma, Headache, Heart arrhythmia, Heart failure, Herbalism, Hormone, Hypertension, Hypertension (journal), Hypotensive transfusion reaction, Hypovolemia, Ileus, Indigestion, Inhalational anaesthetic, ..., Intensive care medicine, Intravenous therapy, Lightheadedness, Mean arterial pressure, Meditation, Melena, Myocardial infarction, National Institutes of Health, Nerve, Neurological disorder, Nitroglycerin (drug), Norepinephrine, Orthostatic hypotension, Orthostatic intolerance, Parasympathetic nervous system, Passive leg raising test, Physiology, Prandial, Reflex syncope, Sensory neuron, Sepsis, Septic shock, Shock (circulatory), Shortness of breath, Side effect, Small intestine, Spinal anaesthesia, Splanchnic, Sputum, Steroid, Sympathetic nervous system, Syncope (medicine), Systole, Theobroma cacao, Theobromine, Tilt table test, Trendelenburg position, Unconsciousness, Vagus nerve, Vasoconstriction, Vasodilation, Vomiting, WebMD, Yoga. Expand index (44 more) » « Shrink index
Acidosis is a process causing increased acidity in the blood and other body tissues (i.e., an increased hydrogen ion concentration).
Adrenal insufficiency is a condition in which the adrenal glands do not produce adequate amounts of steroid hormones, primarily cortisol; but may also include impaired production of aldosterone (a mineralocorticoid), which regulates sodium conservation, potassium secretion, and water retention.
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment.
Alpha-blockers, also known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic receptors (α-adrenoceptors).
Anemia is a decrease in the total amount of red blood cells (RBCs) or hemoglobin in the blood, or a lowered ability of the blood to carry oxygen.
Angiotensin II receptor type 1 or AT1 receptor is the best characterized angiotensin receptor.
Antidepressants are drugs used for the treatment of major depressive disorder and other conditions, including dysthymia, anxiety disorders, obsessive–compulsive disorder, eating disorders, chronic pain, neuropathic pain and, in some cases, dysmenorrhoea, snoring, migraine, attention-deficit hyperactivity disorder (ADHD), addiction, dependence, and sleep disorders.
An antihypotensive agent, also known as a vasopressor agent or pressor, is any medication that tends to raise reduced blood pressure.
An arteriole is a small-diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries.
An artery (plural arteries) is a blood vessel that takes blood away from the heart to all parts of the body (tissues, lungs, etc).
The autonomic nervous system (ANS), formerly the vegetative nervous system, is a division of the peripheral nervous system that supplies smooth muscle and glands, and thus influences the function of internal organs.
Back pain is pain felt in the back of the body.
Beta blockers, also written β-blockers, are a class of medications that are particularly used to manage abnormal heart rhythms, and to protect the heart from a second heart attack (myocardial infarction) after a first heart attack (secondary prevention).
Bleeding, also known as hemorrhaging or haemorrhaging, is blood escaping from the circulatory system.
Blood pressure (BP) is the pressure of circulating blood on the walls of blood vessels.
Blood volume is the volume of blood (both red blood cells and plasma) in the circulatory system of any individual.
Bradycardia is a condition wherein an individual has a very slow heart rate, typically defined as a resting heart rate of under 60 beats per minute (BPM) in adults.
Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class.
Calcium channel blockers (CCB), calcium channel antagonists or calcium antagonists are several medications that disrupt the movement of calcium through calcium channels.
Cardiac output (CO, also denoted by the symbols Q and \dot Q_), is a term used in cardiac physiology that describes the volume of blood being pumped by the heart, in particular by the left or right ventricle, per unit time.
Cardiogenic shock is a medical emergency resulting from inadequate blood flow due to the dysfunction of the ventricles of the heart.
Chest pain is pain in any region of the chest.
The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.
A cough is a sudden and often repetitively occurring, protective reflex, which helps to clear the large breathing passages from fluids, irritants, foreign particles and microbes.
Diarrhea, also spelled diarrhoea, is the condition of having at least three loose or liquid bowel movements each day.
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.
A diuretic is any substance that promotes diuresis, the increased production of urine.
Dizziness is an impairment in spatial perception and stability.
Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is an organic chemical of the catecholamine and phenethylamine families that plays several important roles in the brain and body.
Dysautonomia or autonomic dysfunction is a condition in which the autonomic nervous system (ANS) does not work properly.
In medicine, specifically urology, dysuria refers to painful urination.
An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.
An epileptic seizure is a brief episode of signs or symptoms due to abnormally excessive or synchronous neuronal activity in the brain.
Fatigue is a subjective feeling of tiredness that has a gradual onset.
Fever, also known as pyrexia and febrile response, is defined as having a temperature above the normal range due to an increase in the body's temperature set-point.
Flammer syndrome is a recently described clinical entity comprising a complex of clinical features caused mainly by dysregulation of the blood supply which has previously been called vascular dysregulation.
The gastrointestinal tract (digestive tract, digestional tract, GI tract, GIT, gut, or alimentary canal) is an organ system within humans and other animals which takes in food, digests it to extract and absorb energy and nutrients, and expels the remaining waste as feces.
Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss.
Headache is the symptom of pain anywhere in the region of the head or neck.
Heart arrhythmia (also known as arrhythmia, dysrhythmia, or irregular heartbeat) is a group of conditions in which the heartbeat is irregular, too fast, or too slow.
Heart failure (HF), often referred to as congestive heart failure (CHF), is when the heart is unable to pump sufficiently to maintain blood flow to meet the body's needs.
Herbalism (also herbal medicine or phytotherapy) is the study of botany and use of plants intended for medicinal purposes or for supplementing a diet.
A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long-term medical condition in which the blood pressure in the arteries is persistently elevated.
Hypertension is a monthly, peer reviewed, scientific journal, established with the 1979 (January & February) issue (vol. 1), and published on behalf of the American Heart Association (AHA) by Lippincott, an imprint of Wolters Kluwer.
A Hypotensive transfusion reaction or HTR is a rare condition that presents with low blood pressure associated with administration of blood products.
Hypovolemia is a state of decreased blood volume; more specifically, decrease in volume of blood plasma.
Ileus is a disruption of the normal propulsive ability of the gastrointestinal tract.
Indigestion, also known as dyspepsia, is a condition of impaired digestion.
An inhalational anaesthetic is a chemical compound possessing general anaesthetic properties that can be delivered via inhalation.
Intensive care medicine, or critical care medicine, is a branch of medicine concerned with the diagnosis and management of life-threatening conditions that may require sophisticated life support and monitoring.
Intravenous therapy (IV) is a therapy that delivers liquid substances directly into a vein (intra- + ven- + -ous).
Lightheadedness is a common and typically unpleasant sensation of dizziness and/or a feeling that one may faint.
In medicine, the mean arterial pressure (MAP) is an average blood pressure in an individual during a single cardiac cycle.
Meditation can be defined as a practice where an individual uses a technique, such as focusing their mind on a particular object, thought or activity, to achieve a mentally clear and emotionally calm state.
Melena or melæna refers to the dark black, tarry feces that are associated with upper gastrointestinal bleeding.
Myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart muscle.
The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research, founded in the late 1870s.
A nerve is an enclosed, cable-like bundle of axons (nerve fibers, the long and slender projections of neurons) in the peripheral nervous system.
A neurological disorder is any disorder of the nervous system.
Nitroglycerin, also known as glyceryl trinitrate (GTN), is a medication used for heart failure, high blood pressure, and to treat and prevent chest pain from not enough blood flow to the heart (angina) or due to cocaine.
Norepinephrine (NE), also called noradrenaline (NA) or noradrenalin, is an organic chemical in the catecholamine family that functions in the brain and body as a hormone and neurotransmitter.
Orthostatic hypotension, also known as postural hypotension, occurs when a person's blood pressure falls when suddenly standing up from a lying or sitting position.
Orthostatic intolerance (OI) is the development of symptoms when standing upright which are relieved when reclining.
The parasympathetic nervous system (PSNS) is one of the two divisions of the autonomic nervous system (a division of the peripheral nervous system (PNS)), the other being the sympathetic nervous system.
In medicine, the passive leg raising test is a bedside test to evaluate the need for further fluid resuscitation in critically ill patients.
Physiology is the scientific study of normal mechanisms, and their interactions, which work within a living system.
Prandial relates to a meal.
Reflex syncope is a brief loss of consciousness due to a neurologically induced drop in blood pressure.
Sensory neurons also known as afferent neurons are neurons that convert a specific type of stimulus, via their receptors, into action potentials or graded potentials.
Sepsis is a life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs.
Septic shock is a serious medical condition that occurs when sepsis, which is organ injury or damage in response to infection, leads to dangerously low blood pressure and abnormalities in cellular metabolism.
Shock is the state of low blood perfusion to tissues resulting in cellular injury and inadequate tissue function.
Shortness of breath, also known as dyspnea, is the feeling that one cannot breathe well enough.
In medicine, a side effect is an effect, whether therapeutic or adverse, that is secondary to the one intended; although the term is predominantly employed to describe adverse effects, it can also apply to beneficial, but unintended, consequences of the use of a drug.
The small intestine or small bowel is the part of the gastrointestinal tract between the stomach and the large intestine, and is where most of the end absorption of food takes place.
Spinal anaesthesia (or spinal anesthesia), also called spinal block, subarachnoid block, intradural block and intrathecal block, is a form of regional anaesthesia involving the injection of a local anaesthetic into the subarachnoid space, generally through a fine needle, usually long.
Splanchnic (σπλαγχνικός splanchnikos; from σπλάγχνον splanchnon, mostly found in its pl. form σπλάγχνα splanchna, "inward parts, organs") is usually used to describe organs in the abdominal cavity (visceral organs).
Sputum is mucus and is the name used for the coughed-up material (phlegm) from the lower airways (trachea and bronchi).
A steroid is a biologically active organic compound with four rings arranged in a specific molecular configuration.
The sympathetic nervous system (SNS) is one of the two main divisions of the autonomic nervous system, the other being the parasympathetic nervous system.
Syncope, also known as fainting, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery.
The systole is that part of the cardiac cycle during which some chambers of the heart muscle contract after refilling with blood.
Theobroma cacao, also called the cacao tree and the cocoa tree, is a small (tall) evergreen tree in the family Malvaceae, native to the deep tropical regions of the Americas.
Theobromine, formerly known as xantheose, is a bitter alkaloid of the cacao plant, with the chemical formula C7H8N4O2.
A tilt table test (TTT), occasionally called upright tilt testing (UTT), is a medical procedure often used to diagnose dysautonomia or syncope.
In the Trendelenburg position, the body is laid supine, or flat on the back with the feet higher than the head by 15-30 degrees.
Unconsciousness is a state which occurs when the ability to maintain an awareness of self and environment is lost.
The vagus nerve, historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X, and interfaces with parasympathetic control of the heart, lungs, and digestive tract.
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles.
Vasodilation is the widening of blood vessels.
Vomiting, also known as emesis, puking, barfing, throwing up, among other terms, is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose.
WebMD is an American corporation known primarily as an online publisher of news and information pertaining to human health and well-being.
Yoga (Sanskrit, योगः) is a group of physical, mental, and spiritual practices or disciplines which originated in ancient India.