Poor R wave progression refers to the absence of the normal increase in size of the R wave in the precordial leads when advancing from lead V1 to V6. In lead V1, the R wave should be small. The R wave ...

In 2013 we were asked to design a building for public use in the driest desert in the world: The Atacama Desert. The site is close to the first wind farm in northern Chile, located between San Pedro ...