84 relations: Aerobic exercise, Alcoholic drink, Alpha-1 adrenergic receptor, Anemia, Autonomic neuropathy, Bed rest, Beta blocker, Blurred vision, Caffeine, Carbohydrate, Cardiac output, Cardinal sign (pathology), Cardiology, Central nervous system, Chronic fatigue syndrome, Clouding of consciousness, Cognitive behavioral therapy, Complication (medicine), Compression garment, Compression stockings, Da Costa's syndrome, Deconditioning, Dehydration, Denervation, Desmopressin, Diabetes mellitus, Differential diagnosis, Dysautonomia, Echocardiography, Ehlers–Danlos syndromes, Electrocardiography, Electrolyte, Endocrine system, Endurance training, Fatigue, Fibromyalgia, Fludrocortisone, Food and Drug Administration, Graded exercise therapy, Headache, Hyperthyroidism, Hypovolemia, Insomnia, Irritable bowel syndrome, Ivabradine, Jacob Mendes Da Costa, Joint dislocation, Lightheadedness, Mast cell activation syndrome, Mayo Clinic, ..., Midodrine, Migraine, Mitral valve prolapse, Norepinephrine, Off-label use, Orthostatic headache, Orthostatic hypotension, Orthostatic intolerance, Palpitations, Pathophysiology, Perspiration, Phenylephrine, Presyncope, Prevalence, Prognosis, Pyridostigmine, Randomized controlled trial, Recumbent bicycle, Reflex syncope, Rowing, Saline (medicine), Salt, Shortness of breath, Sleep disorder, Small fiber peripheral neuropathy, Supine position, Swimming, Sympathetic nervous system, Syncope (medicine), Tachycardia, Thomas Lewis (cardiologist), Tilt table test, Vasoconstriction, Venous return curve. Expand index (34 more) » « Shrink index
Aerobic exercise (also known as cardio) is physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process.
An alcoholic drink (or alcoholic beverage) is a drink that contains ethanol, a type of alcohol produced by fermentation of grains, fruits, or other sources of sugar.
The alpha-1 (α1) adrenergic receptor is a G protein-coupled receptor (GPCR) associated with the Gq heterotrimeric G-protein.
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.
Autonomic neuropathy (also AN or AAN) is a form of polyneuropathy that affects the non-voluntary, non-sensory nervous system (i.e., the autonomic nervous system), affecting mostly the internal organs such as the bladder muscles, the cardiovascular system, the digestive tract, and the genital organs.
Bed rest, also referred to as the rest-cure, is a medical treatment in which a person lies in bed for most of the time to try to cure an illness.
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).
Blurred vision is an ocular symptom.
Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class.
A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m may be different from n).
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.
In pathology, a cardinal sign or cardinal symptom is the primary or major clinical sign or symptom by which a diagnosis is made.
Cardiology (from Greek καρδίᾱ kardiā, "heart" and -λογία -logia, "study") is a branch of medicine dealing with disorders of the heart as well as parts of the circulatory system.
The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.
Chronic fatigue syndrome (CFS), also referred to as myalgic encephalomyelitis (ME), is a medical condition characterized by long-term fatigue and other symptoms that limit a person's ability to carry out ordinary daily activities.
Clouding of consciousness, also known as brain fog or mental fog, is a term used in medicine denoting an abnormality in the regulation of the overall level of consciousness that is mild and less severe than a delirium.
Cognitive-behavioral therapy (CBT) is a psycho-social intervention that is the most widely used evidence-based practice aimed at improving mental health.
Complication, in medicine, is an unfavorable evolution or consequence of a disease, a health condition or a therapy.
Compression garments are pieces of clothing that fit tightly around the skin.
Compression stockings are a specialized hosiery designed to help prevent the occurrence of, and guard against further progression of, venous disorders such as edema, phlebitis and thrombosis.
Da Costa's syndrome, which was colloquially known as soldier's heart, is a syndrome with a set of symptoms that are similar to those of heart disease, though a physical examination does not reveal any physiological abnormalities.
Deconditioning is adaptation of an organism to less demanding environment, or, alternatively, the decrease of physiological adaptation to normal conditions.
In physiology, dehydration is a deficit of total body water, with an accompanying disruption of metabolic processes.
Denervation is any loss of nerve supply regardless of the cause.
Desmopressin, sold under the trade name DDAVP among others, is a medication used to treat diabetes insipidus, bedwetting, hemophilia A, von Willebrand disease, and high blood urea levels.
Diabetes mellitus (DM), commonly referred to as diabetes, is a group of metabolic disorders in which there are high blood sugar levels over a prolonged period.
In medicine, a differential diagnosis is the distinguishing of a particular disease or condition from others that present similar clinical features.
Dysautonomia or autonomic dysfunction is a condition in which the autonomic nervous system (ANS) does not work properly.
An echocardiogram, often referred to as a cardiac echo or simply an echo, is a sonogram of the heart.
Ehlers–Danlos syndromes (EDS) are a group of genetic connective tissue disorders.
Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.
An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.
The endocrine system is a chemical messenger system consisting of hormones, the group of glands of an organism that carry those hormones directly into the circulatory system to be carried towards distant target organs, and the feedback loops of homeostasis that the hormones drive.
Endurance training is the act of exercising to increase endurance.
Fatigue is a subjective feeling of tiredness that has a gradual onset.
Fibromyalgia (FM) is a medical condition characterised by chronic widespread pain and a heightened pain response to pressure.
Fludrocortisone, sold under the brand name Florinef among others, is a corticosteroid which is used to treat adrenogenital syndrome, postural hypotension, and adrenal insufficiency.
The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.
Graded exercise therapy (GET) is physical activity that starts very slowly and gradually increases over time.
Headache is the symptom of pain anywhere in the region of the head or neck.
Hyperthyroidism is the condition that occurs due to excessive production of thyroid hormone by the thyroid gland.
Hypovolemia is a state of decreased blood volume; more specifically, decrease in volume of blood plasma.
Insomnia, also known as sleeplessness, is a sleep disorder where people have trouble sleeping.
Irritable bowel syndrome (IBS) is a group of symptoms—including abdominal pain and changes in the pattern of bowel movements without any evidence of underlying damage.
Ivabradine, marketed under the trade name Corlanor among others, is a medication used for the symptomatic management of stable heart-related chest pain and heart failure not fully managed by beta blockers.
Jacob Mendes Da Costa, or Jacob Mendez Da Costa (February 7, 1833, Saint Thomas, U.S. Virgin Islands, Caribbean – September 12, 1900) was an American physician.
A joint dislocation, also called luxation, occurs when there is an abnormal separation in the joint, where two or more bones meet.
Lightheadedness is a common and typically unpleasant sensation of dizziness and/or a feeling that one may faint.
Mast cell activation syndrome (MCAS) is one type of mast cell activation disorder (MCAD), and is an immunological condition in which mast cells inappropriately and excessively release chemical mediators, resulting in a range of chronic symptoms, sometimes including anaphylaxis or near-anaphylaxis attacks.
The Mayo Clinic is a nonprofit academic medical center based in Rochester, Minnesota focused on integrated clinical practice, education, and research.
Midodrine (brand names Amatine, ProAmatine, Gutron, Bramox) is a vasopressor/antihypotensive agent.
A migraine is a primary headache disorder characterized by recurrent headaches that are moderate to severe.
Mitral valve prolapse (MVP; a.k.a. floppy mitral valve syndrome, systolic click murmur syndrome or billowing mitral leaflet) is a valvular heart disease characterized by the displacement of an abnormally thickened mitral valve leaflet into the left atrium during systole.
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.
Off-label use is the use of pharmaceutical drugs for an unapproved indication or in an unapproved age group, dosage, or route of administration.
Orthostatic headache is a medical condition in which a person develops a headache while vertical and the headache is relieved when horizontal.
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.
Palpitations are the perceived abnormality of the heartbeat characterized by awareness of cardiac muscle contractions in the chest: hard, fast and/or irregular beats.
Pathophysiology or physiopathology is a convergence of pathology with physiology.
Perspiration, also known as sweating, is the production of fluids secreted by the sweat glands in the skin of mammals.
Phenylephrine is a selective α1-adrenergic receptor agonist of the phenethylamine class used primarily as a decongestant, as an agent to dilate the pupil, to increase blood pressure, and to relieve hemorrhoids.
Presyncope is a state of lightheadedness, muscular weakness, blurred vision, and feeling faint (as opposed to a syncope, which is actually fainting).
Prevalence in epidemiology is the proportion of a particular population found to be affected by a medical condition (typically a disease or a risk factor such as smoking or seat-belt use).
Prognosis (Greek: πρόγνωσις "fore-knowing, foreseeing") is a medical term for predicting the likely or expected development of a disease, including whether the signs and symptoms will improve or worsen (and how quickly) or remain stable over time; expectations of quality of life, such as the ability to carry out daily activities; the potential for complications and associated health issues; and the likelihood of survival (including life expectancy).
Pyridostigmine is medication used to treat myasthenia gravis.
A randomized controlled trial (or randomized control trial; RCT) is a type of scientific (often medical) experiment which aims to reduce bias when testing a new treatment.
A recumbent bicycle is a bicycle that places the rider in a laid-back reclining position.
Reflex syncope is a brief loss of consciousness due to a neurologically induced drop in blood pressure.
Rowing is the act of propelling a boat using the motion of oars in the water, displacing water, and propelling the boat forward.
Saline, also known as saline solution, is a mixture of sodium chloride in water and has a number of uses in medicine.
Salt, table salt or common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.
Shortness of breath, also known as dyspnea, is the feeling that one cannot breathe well enough.
A sleep disorder, or somnipathy, is a medical disorder of the sleep patterns of a person or animal.
Small fiber peripheral neuropathy is a type of peripheral neuropathy that occurs from damage to the small unmyelinated peripheral nerve fibers.
The supine position means lying horizontally with the face and torso facing up, as opposed to the prone position, which is face down.
Swimming is the self-propulsion of a person through fresh or salt water, usually for recreation, sport, exercise, or survival.
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.
Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate.
Sir Thomas Lewis, CBE, FRS, FRCP (26 December 1881 – 17 March 1945) was a British cardiologist (although he personally disliked the term, preferring cardiovascular disease specialist).
A tilt table test (TTT), occasionally called upright tilt testing (UTT), is a medical procedure often used to diagnose dysautonomia or syncope.
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.
Venous return is the rate of blood flow back to the heart.