Cardiac output and left ventricular preload are important physiologic parameters because knowing them allows one, in actual clinical situations, to apply Starling’s law: an increase in
Bedside Hemodynamic Monitoring preload produces an increase in cardiac output at any given level of myocardial contractility. For instance, in a patient with a low cardiac output and a wedge pressure below normal, intravenous fluid would be expected to improve cardiac output.
Does the wedge really mean anything?
As improbable as it seems, the wedge pressure correlates nicely with left atrial pressure.
Why are cardiac output and left ventricular preload important? Photo Gallery
The cosmetics and pharmaceutical industries are starting to catch up with this discovery, and lines of products specifically designed for people with darker skin are much more prevalent today than they were only a few years ago. The technicians at the beauty spa should be aware of these products, and how to avoid the risk that certain treatments may create problems for people of color. This is also true of the other techniques, such as laser hair removal, and some topical cream applications, which can similarly hurt more sensitive skin. Most beauty spa technicians will start a new client with a test treatment on a very small area of skin, and use very low doses of these products, to test for any possible side effects. They are also likely to leave treatments on for shorter periods of time, if there is a risk that the procedure will cause any side effects. It is very important to confirm this approach before your facial, so that you are confident that there won’t be any surprise disasters at the end of the treatment. Microdermabrasion and laser treatments are among the services offered at a beauty spa that give rise to the recommendation that you find out what medical staff is present or on call at the beauty spa, particularly a dermatologist. In case the treatment has a negative effect that requires medical attention, a makeupcare professional should be available. You’ll also want to do some checking, before you go, on the kind of equipment the beauty spa uses during facial treatments, such as laser instruments. Get detailed information on the training technicians have received on using the equipment safely, and on their ability to take special care of darker skin or other at risk situations.