TL;DR: Respiratory distress is a life-threatening emergency; if your dog is struggling to breathe, transport them to an emergency vet immediately to prevent organ failure.
What are the common signs of respiratory distress in dogs?
Respiratory distress, often referred to as dyspnea, occurs when a dog is physically unable to pull enough oxygen into their lungs. This may appear as frantic gasping, wide-mouth breathing, or an extended neck as they try to straighten their airway. It is a clinical sign that the body is in crisis, potentially due to heart failure, lung disease, trauma, or an obstruction.
Is my dog's gasping or heavy breathing a veterinary emergency?
- Urgency Level: High. Gasping for air is a critical, life-threatening emergency.
- Transport your dog to the nearest emergency veterinary clinic immediately.
- Do not wait for the symptoms to pass, as oxygen deprivation can lead to organ failure or sudden death within minutes.
Why should I take a video of my dog's breathing for the vet?
- Safely record a 5-10 second video only if it does not delay your trip to the vet.
- Different breathing patterns, such as heavy abdominal movement versus noisy gasping, provide immediate clues about the underlying cause.
- A video allows the triage team to prepare life-saving equipment, such as an oxygen cage or a nebulizer, before you walk through the door.
Clinical Context (Merck Veterinary Manual)
Life-threatening airway pathology includes complete large airway obstruction, resulting in unconsciousness and apnea, and partial obstruction of the large and small airways, causing noisy breathing (stridor or stertor), cyanosis, and anxiety. Compromised breathing manifests as increased respiratory rate and effort, followed by postural changes such as orthopnea, labored open-mouth breathing, and cyanosis, indicating significant loss of pulmonary function. Possible causes of large airway pathology include foreign bodies, edema, laryngeal paralysis or paresis, tracheal collapse, elongated soft palate, aspiration of stomach contents, neoplasia, and pharyngeal hematomas. Severe small airway obstruction leads to labored breathing with an expiratory push of the diaphragm, cyanosis, anxiety, and high-pitched wheezes throughout the lung field. Unconscious, apneic animals require immediate tracheal intubation to relieve any obstruction.
Chapter: Emergency, Anesthesiology, Respiratory
Source: The Merck Veterinary Manual, 11th Edition (Page 1662)