释义 |
gray-out
gray-outA temporary condition in which a person's vision is hazy, restricted, or other-wise impaired because of insufficient oxygen. This is experienced when the body is under positive g. The person experiencing gray-out sees as if he or she is looking down a foggy tunnel. Gray-out is the precursor to blackout, when vision becomes indistinct. See G-LOC.gray-out
gray-out Cardiology A descriptor for faintness due to vasodepressor illness/vasovagal syncope that may be seen in cardiac disease–eg, in hypertrophic cardiomyopathy. |