As a medical professional, I can provide you with information on the symptoms of ventricular fibrillation (VF). Ventricular fibrillation is a life-threatening condition where the heart's ventricular chambers quiver chaotically instead of beating effectively, which means the heart cannot pump blood effectively to the rest of the body. Symptoms of ventricular fibrillation may include: 1. Sudden loss of consciousness - due to the brain not receiving enough oxygen-rich blood. 2. No pulse - because the heart is not beating effectively to circulate blood. 3. Unresponsiveness - the person may not respond to stimuli or may be unresponsive to others. 4. Seizures - some people may experience a seizure as a result of the lack of oxygen to the brain. 5. Gasping or choking - victims might display gasping for air or a choking sound as they struggle to breathe. 6. Clammy skin - the skin may feel cold and sweaty due to the body's response to the lack of oxygen. It's important to note that ventricular fibrillation is a medical emergency and requires immediate attention. If someone is experiencing these symptoms, call emergency services immediately and begin CPR if you are trained to do so. read more >>

Fainting or losing consciousness are the most common symptoms of VF, earlier symptoms include:chest pain.dizziness.nausea.rapid, fluttering heartbeat.shortness of breath.read more >>