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What Is The Difference Between Dopamine And Dobutamine
1 extra carbon atom: Epinephrine has 1 more carbon & 2 more hydrogen atoms then norepinephrine. This small difference makes the molecules look different, so they interact differently with receptors, and have different effects. One example: norEpinephrine narrows blood vessels, increasing blood pressure; Epinephrine can narrow some arteries while dilating others, and can raise or lower blood pressure. ...Read moreSee 1 more doctor answer
Both: Are made in the adrenal glands of the body and are released in response to a need for increased energy. The fight or flight phenomenon. The biggest difference is that nor-epi causes more vasoconstriction of blood vessels where epi causes more increase in heart rate and cardiac output through contractility. ...Read moreSee 1 more doctor answer
Drugs for Heart Test: Chemical stress tests are used to diagnose heart artery blockage in people who cannot treadmill exercise. Persantine is injected IV and dilates normal blood vessels more than abnormal ones causing an ischemic defect on a nuclear image. Dobutamine is injected IV and increases the heart rate and contractility with muscle fed by a blocked artery not responding as well as normal muscle. ...Read moreSee 1 more doctor answer
Stimulants: Methamphetamine (desoxyn) belongs to the amphetamine group of stimulants. It comes in 2 forms; dextro- form which is the psychostimulant, & the levo-form which is an over-the-counter nasal decongestant. Meth is highly addictive. Methylphenidate (ritalin) belong to the non-amphetamine group of stimulants. Due to ritalin's short elimination half-life, rebound symptoms are more common. ...Read more
Antidepressants: They are pretty different on the neurotransmitters they affect (serotonin/norepinephrin), half life, molecular structure, side effects (like weight gain, paroxetine causes this more often; etc) and pharmacodynamics. They share some indications and uses (besides obviously as antidepressants) and both are relatively inexpensive. ...Read more
Cardioversion and pa: Cardioversion is usually a single large shock delivered to the heart during an arrhythmia to stop it and let it restart with a normal rhythm. Pacing is small shocks applied to restore normal timing to the cardiac events, especially when the intrinsic rate/rhythm are too slow. ...Read more
Parkinson's disease: Epilepsy is repetitive sudden change in behavior sometimes associated with convulsions, loss of consciousness, and confusion due to abnormal electrical discharge of the brain. Parkinson's disease is a movement disorder due to deficiency of a neurotransmitter in the brain called dopamine. Is characterized by tremors, rigidity, slowing of the movements, balance difficulties. ...Read moreSee 1 more doctor answer
Polarity: Hi. Phospholipids (PLs) are polar, amphipathic molecules: part of the molecule loves a water environment and the other part loves an oily (non-water) environment. PLs are the main lipid component of cell membranes and the coats of lipoproteins. Triglycerides (fats, like butter, oils, lard) are hydrophobic and not soluble in water. PLs help create a hydrophobic environment for non-water soluble lip ...Read more
Here are some...: These 2 terms have been used to describe the blood circulation into/through the kidneys. Hemoperfusion denotes blood flow into kidneys through big renal ateries and hemofiltration denotes blood flow further circulating to smaller arterioles into/through glomeruli (microfilters) and onwards where the wanted and unwanted wastes exchanged so to adjust water and electrolyte balance and others. ...Read more
Differences: These two medicines share similarities, but they have different chemical structures, leading to different actions on the nervous system. Fluoxetine almost exclusively acts on the neurotransmitter serotonin, while duloxetine has a mixed action on both serotonin and norepinephrine. This difference will sometimes result in a person doing better with one medicine versus the other. ...Read more
Different effects: Both are medications given IV (into a vein) to make someone sleep. Propofol may be used as a sedative or at the start of general anesthesia (ga); etomidate is used mostly in ga. Propofol lowers blood pressure more. Etomidate may be used for stable BP in trauma or heart surgery. Both can reduce or stop breathing and must be given under anesthesiologist supervision with careful monitoring. ...Read more
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