Ventricular tachycardia can be difficult to differentiate from other causes of broad complex tachycardia. The following characteristics aid in the identification of VT.Features common to any broad complex tachycardia. Rapid heart rate (> 100 bpm). Broad QRS complexes (> 120 ms).
Eyeshine is a visible effect of the tapetum lucidum. When light shines into the eye of an animal having a tapetum lucidum, the pupil appears to glow. Eyeshine can be seen in many animals, in nature and in flash photographs.his classification does not include tapeta lucida in birds. Kiwis, stone-curlews, the boat-billed heron, the flightless kakapo and many nightjars, owls, and other night birds such as the swallow-tailed gull also possess a tapetum lucidum.
a tapetum is a layer of tissue at the back of an animals eye that is reflective and helps them have better night vision.umans dont have a tapetum because it is used for night vision and  we dont typically need that funtion. Vertebrates with a tapetum  (the layer of tissue behind the retina) â¦ are typically nocturnal.  Humans are not nocturnal, rather diurnal (active during the day). 1 person found this useful.