Agonal breathing occurs as the body is dying and the pet has no consciousness of this and certainly does not feel like "he can't breathe". Most of the times, those are silent, but occasionally, breathing noises can accompany them.
After passing, your pet may have agonal breaths, which can look like very rapid breathing or a very deep breath. If your pet has agonal breathing, it is important to know that their heart has already stopped and they are no longer with us.
Sometimes, the last few breaths are what's termed "agonal", meaning involuntary muscle contractions but again, the pet is not aware at this point. After the animal dies, there is complete muscle relaxation, often accompanied by urination and defecation. This is completely normal and is something an owner should expect.
Behavior Changes
Some dogs will become restless, wandering the house and seeming unable to settle or get comfortable. Others will be abnormally still and may even be unresponsive. Your dog's sleeping patterns may change. He may become cranky and difficult to handle, either due to pain or disorientation.
After the injection
Your pet may appear to gasp or suddenly have a deep breath. Sometimes this may carry on for several breaths. This is a wholly-natural bodily reflex. Your pet will already have died and is not aware of any of this.
When we assist an animal to die, we are really doing so at their request. Animals know when they are dying. They are not afraid of death, at least not in the sense that we people are. Nearing death, they come to a place of acceptance and try to communicate that to us.
Labored Breathing
This change may take place just hours or days prior to death and is a sign that the dog's body is beginning to slowly shut down.
Extreme Fatigue or Loss of Energy
Typically, a dying dog will lie in one place without moving around very much. This place may be a quiet corner of your home or somewhere secluded, and it may not be a spot where they usually lie. Your dog might not even have enough energy to lift their head.
Signs Your Dog May Be Ready to Say Goodbye
Labored breathing. Lack of appetite. Lack of Mobility or Extreme Lethargy. Crying or intense whining.
If your dog died unexpectedly at home, you can contact your veterinarian for advice, but it's probably easier to go directly to a pet cemetary or a crematorium. Either way, you'll have to transport your pet to their facility.
A person who experiences agonal respiration may stay alive for five minutes. There is a possibility to revive the person after that. But according to MedlinePlus.gov, within five minutes of oxygen depletion, brain cells begin to die. Within 10 minutes, significant organ and brain damage may occur.
Agonal breathing or agonal respirations are medical terms used to describe insufficient breathing that often sounds like snoring, snorting, gasping, or labored breathing. The person will appear to be choking or having an involuntary gasp reflex.
Agonal breathing can last up to several hours, or it may only consist of a couple of breaths. Agonal breathing can sound like: gasping. snorting.
When it comes to the possibility of their own death, they are at least aware that they are not feeling well or are sick. They can also sense our levels of stress and know that something is wrong. However, canine companions are not as self-assessing as humans about death.
Answer: Fortunately for us, dogs do not understand they are going to be put down and what happens after they are given the injection that puts them to sleep.
Contact Your Veterinarian
Alternatively, if it is during the middle of the night or a holiday, you can try to contact a 24 hour emergency office (if one exists nearby). They may also have a way of getting you in touch with someone who can pick up your pet's body (like a pet crematory or mobile vet service).
Yes, your dog knows how much you love him! Dogs and humans have a very special relationship, where dogs have hijacked the human oxytocin bonding pathway normally reserved for our babies. When you stare at your dog, both your oxytocin levels go up, the same as when you pet them and play with them.
Give them all the things they enjoy most – their favourite toys, their favourite food. You know what will make your pet feel most at ease in the time that remains. If you become tearful, ask a family member, friend or other trusted person to take care of your pet so you can leave the room and have a cry.
One stage of this process is known as rigor mortis. This is when the energy supply to the pet's muscles deplete. When this occurs, everything becomes stiff. The average time for “rigor” to set in is 3-4 hours and it is typically complete within 12 hours post death.
As the moment of death comes nearer, the person's breathing may slow down and become irregular. It might stop and then start again or there might be long pauses or stops between breaths. This is sometimes known as Cheyne-Stokes breathing.
Agonal breathing or agonal gasps are the last reflexes of the dying brain. They are generally viewed as a sign of death, and can happen after the heart has stopped beating.
Choosing to stay with your pet during euthanasia is best because it alleviates their stress. Having you present reduces the anxiety and fear they may experience at the end of life. The process of dying can trigger anxiety in a pet. Having their loved one near relieves some of their discomfort.
It may take a minute or two for the heart to stop. The doctor will listen carefully to your pet's heart to ensure it has stopped before pronouncing him or her gone. After that, there is no danger of your pet waking up. This is a very common fear for pet owners.
In some cases, the pet's muscles may relax or contract after the pet has died. This can be very disconcerting if you are not aware of this possibility ahead of time. The muscles of the urinary bladder and the anus may relax, and your pet may void urine and stool.