Credit: iStock/bymuratdeniz Lightheadedness, nausea, ringing ears, blurred vision. Suddenly you lose consciousness and wake up on the ground. These are your “mayday” signals when vasovagal syncope attacks. Vasovagal syncope, also known as vasodepressor syncope, is the most common cause of fainting. It can be triggered by various situations, including dehydration, extreme heat or standing for … Continue reading What Are the Mayday Signs of a Vasovagal Syncope Attack?