1 First appointments with the psychiatrist are generally more expensive, averaging around $150 for 45 to 60 minutes. 2  Follow-up visits for 15 to 30 minutes cost $75. 3  On the other hand, a visit to a psychiatrist plus medication costs around $380 according to Hereverycentcounts.com.
The first phase is a brief isovolumetric contraction, lasting about 0.05 s and a longer ejection phase of about 0.30 s. The isovolumetric contraction causes left ventricular pressure to rise above atrial pressure, which closes the mitral valve and produces the first heart sound.
But more importantly, the MUGA scan gives an accurate and reproducible means of measuring and monitoring the âejection fractionâ of the cardiac ventricles. The left ventricular ejection fraction (LVEF) is an excellent, and the most commonly used, measure of overall cardiac function. The ejection fraction is simply the proportion of blood that is expelled from the ventricle with each heart beat. So, for instance, if the left ventricle ejects 60% of its blood volume with each beat, the LVEF is 0.6.