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Legal status. In Wikidata. Beta blockers, also spelled β-blockers, are a class of medications that are predominantly used to manage abnormal heart rhythms ( arrhythmia ), and to protect the heart from a second heart attack after a first heart attack ( secondary prevention ). [1]
They are used as anti-arrhythmic drugs in patients with hyperthyroidism, cardiac dysrhythmia, atrial fibrillation, atrial flutter and ventricular tachycardia. The treatment with β-blockers reduces the incidence of sudden heart failure when the patient has already had a myocardial infarction.
Beta 1 blocker. Myocardial infarction (heart attack) Since beta 1 receptor are mainly located in the heart, most beta 1 blockers take abnormalities associated with the heart as the target. [5] It treats medical conditions like hypertension, arrhythmias, heart failure, chest pain, myocardial infarction.
Neuromuscular-blocking drugs, or Neuromuscular blocking agents (NMBAs), block transmission at the neuromuscular junction, causing paralysis of the affected skeletal muscles. This is accomplished via their action on the post-synaptic acetylcholine (Nm) receptors.
MYmta, currently in a beta test phase, is available for download on Google Play and the Apple App Store.
NMDA receptor antagonists are a class of drugs that work to antagonize, or inhibit the action of, the N -Methyl- D -aspartate receptor ( NMDAR ). They are commonly used as anesthetics for humans and non-human animals; the state of anesthesia they induce is referred to as dissociative anesthesia.
Beta adrenergic agonists or beta agonists are medications that relax muscles of the airways, causing widening of the airways and resulting in easier breathing. They are a class of sympathomimetic agents, each acting upon the beta adrenoceptors.
4-Methylthioamphetamine (4-MTA) is a designer drug of the substituted amphetamine class developed in the 1990s by a team led by David E. Nichols, an American pharmacologist and medical chemist, at Purdue University. It acts as a non-neurotoxic highly selective serotonin releasing agent (SSRA) in animals.
Visual definition of an antagonist, where it compared to agonists and reverse agonists. An adrenergic antagonist is a drug that inhibits the function of adrenergic receptors. There are five adrenergic receptors, which are divided into two groups. The first group of receptors are the beta (β) adrenergic receptors.
Drugs with muscarinic antagonist activity are widely used in medicine, in the treatment of low heart rate, overactive bladder, respiratory problems such as asthma and chronic obstructive pulmonary disease (COPD), and neurological problems such as Parkinson's disease and Alzheimer's disease.