This is why plumbers use propane torches for soldering rather than soldering irons. Rosin core solder, which is better for soldering electrical connections, readily melts in the heat provided by a soldering iron and by using it, you avoid the damage that would result by pointing a flame at electrical components.
Mitral valve prolapse (MVP) is defined as an abnormal displacement of the mitral valve leaflets into the left atrium during ventricular systole.The condition was first described by John Brereton Barlow in 1966 and was subsequently termed mitral valve prolapse by John Michael Criley.itral valve prolapse (MVP) is defined as an abnormal displacement of the mitral valve leaflets into the left atrium during ventricular systole.
There is at the same time less to it and more to it than at first appears. Mitral valve prolapse is named for a heart valve and is usually first diagnosed as a faint heart âclickâ or murmur, though it isnât a form of âheart diseaseâ in any conventional sense.