PAR and BR bulbs share the same voltage of 120VAC and have the same Kelvin degree color code as all light bulbs: 1  2700K (warm white). 2  4100K-5000K (cool white). + 3 5000K (daylight color).
Wandering baseline is signal noise or artifact on an ekg caused by loose connections, patient breathing, etc. .. But nothing to do with the activity of the heart. In brief: Not to worry. Wandering baseline is signal noise or artifact on an ekg caused by loose connections, patient breathing, etc. .. But nothing to do with the activity of the heart.
Reverberation artifact is a common ultrasound artifact and occurs when a sound pulse reverberates back and forth between two strong parallel reflectors.With the exception of comet-tail artifact, a subtype of reverberation, reverberation artefact has little diagnostic use.: Reverberation artifact occurs when an ultrasound pulse gets trapped between two strong parallel reflectors.