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What is a heart attack? Heart attacks, or acute myocardial infarction, sometimes myocardial infarction or just “MI”, is death of heart muscle cells due to a lack in blood flow. Find more videos at http://osms.it/more. Hundreds of thousands of current & future clinicians learn by Osmosis. We have unparalleled tools and materials to prepare you […]

Romberg test, Romberg’s sign, or the Romberg maneuver is a test used in an exam of neurological function for balance, and also as a test for drunken driving. The exam is based on the premise that a person requires at least two of the three following senses to maintain balance while standing: proprioception (the ability […]

The Spurling’s test (also known as Maximal Cervical Compression Test and Framonial Compression Test) is used during a musculoskeletal assessment of the cervical spine when looking for cervical nerve root compression causing Cervical Radiculopathy. Patients with a cervical radiculopathy (compression of a nerve ‘root’ in the neck) can present with a variety of symptoms, including […]

Topics covered include: mechanism of action of adrenergic agonists; catecholamines, noncatecholamines, direct acting, indirect acting, mixed action, alpha receptors, beta receptors. Adrenergic agonists mentioned include: epinephrine, norepinephrine, dopamine, oxymetazoline, phenylephrine, clonidine, dobutamine, albuterol, terbutaline, salmeterol, formoterol, mirabegron, cocaine, amphetamine, ephedrine, pseudoephedrine.