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.
The allantois is the. membrane whose function is to store. of the embryo. In placental mammals, the allantois is present but it does not exert that function, since embryonic wastes are collected by the motherâs body through the. .1  Extraembryonic Membranes Review-Image Diversity: the allantois.he amnion is the membrane that. the embryo. The chorion is the membrane that covers the. , the. and the. . The space delimited by the chorion and the amnion is called the. and it is filled with amniotic. .