Call 911 Now (you may need an ambulance) If

• Still unconscious after 1 minute has passed
• Difficult to awaken or acting confused
• Very weak (can't stand)
• Chest pain
• Difficulty breathing
• Lips or face are blue
• Heart is beating irregularly or very fast (i.e., palpitations)
• Heart is beating too slowly (i.e., less than 60 beats per minute)
• Any bleeding (including vomiting blood, blood in stool, or vaginal bleeding)
• Black bowel movements
• History of heart problems or congestive heart failure
• Pregnant or possibly pregnant
• Any head or face injury
• Signs of dehydration (e.g., no urine in more than 12 hours, very dry mouth, lightheaded, etc.)
• Occurred during exercise
• Age greater than 50
• Fainting twice in one day