What does SPECT stand for? SPECT stands for Single Photon Emission Cardiac Tomography (nuclear cardiology) Suggest new definition This definition appears very rarely and is found in the following Acronym Finder categories:
Expert: Dr. Arun Phophalia replied 5 years ago. Greetings. In a study the average lethal dose for Xanax has been found as 22 mg. But death can occur at 10 mg single dose. With alcohol, there is further central nervous system depression and the lethal dose can be far less. Though for it (combination and alcohol)data are not available.
Xanax is the worst, 0.5 mg of Xanax is equal to 10 mg of Valium. And the maximum dose of Xanax is also 10 mg, equal to 200 mg/day of Valium and that is not going to be prescribed. Source(s): I am a medical student at a university in Montreal, MONTRÃ©AL, Qc canada in psychiatry and internal. medicine