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Writer's pictureIvan Tsar

Chest seal application


How to Apply a Chest Seal and the Importance of Preparedness

In emergency situations, particularly those involving trauma to the chest, the ability to apply a chest seal can be a critical lifesaving skill. This article outlines the steps to effectively apply a chest seal and discusses the importance of being prepared for such emergencies.


What is a Chest Seal?

A chest seal is a medical device used to treat penetrating chest wounds which can lead to a life-threatening condition known as a pneumothorax or hemothorax. These occur when air or blood enters the chest cavity, respectively, potentially collapsing a lung. A chest seal helps prevent further air or blood from entering the chest cavity while allowing any trapped air or blood to escape.


Steps to Apply a Chest Seal:


Ensure Safety: First, ensure that the scene is safe for you and the victim. Use gloves if available to protect both parties from blood-borne pathogens.


Expose the Wound: Carefully remove any clothing from the chest area to fully expose the wound. If there’s an exit wound, it must also be sealed.


Assess and Clean: Quickly assess the wound for any debris or clothing fragments. If possible, clean around the wound area without disturbing the wound itself.


Apply the Seal: Peel the backing off the chest seal and apply it firmly over the wound. Ensure that the adhesive bonds well with the skin all around the wound. If the seal has a one-way valve, make sure it's positioned correctly to allow air to escape.


Check for Effectiveness: After applying the seal, monitor the victim for signs of improved breathing and decreased distress. It’s critical to continue monitoring the seal to ensure it remains airtight.


Seek Professional Help: Immediately call for emergency medical assistance. A chest seal is a temporary measure that requires professional medical evaluation and treatment.



Importance of Knowledge and Preparedness:

Understanding how to apply a chest seal is vital not only for professional responders but also for civilians. Emergencies can occur anywhere, and having the knowledge and skills to respond appropriately can make the difference between life and death. Trauma injuries, such as those from accidents, shootings, or stabbings, can happen unexpectedly, and the immediate response can drastically improve outcomes.


In addition to individual preparedness, community and workplace training can enhance the overall safety and responsiveness in emergencies. Courses such as CPR, First Aid, and Stop the Bleed can equip individuals with the skills needed to save lives.



The ability to apply a chest seal is a powerful skill that everyone should consider learning. By preparing yourself with essential first aid skills, you can be ready to help during a critical incident and potentially save a life. Remember, in a medical emergency, the knowledge you carry is as important as the medical supplies you have on hand.


(Best reliable and branded chest seals )


North American Rescue HyFin Vent Compact - This seal is widely praised for its compactness, ease of use, and effectiveness in sealing chest wounds, and it features multiple air escape channels.


Beacon Chest Seal - Known for its flat design that folds easily, though it comes in a combo pack with one vented and one non-vented seal.


Combat Medical Sentinel Chest Seal - Offers unique design features, but may be hard to obtain for civilian use.



H&H Bolin Chest Seal - Ideal for covering larger wounds, with a larger aperture but less compact than others.


HALO Chest Seal - Features no external valves and has four vent channels, but the packaging is bulkier.


SAM Chest Seal - Noted for its burp flaps on both ends, although it has a smaller aperture and its combo pack includes one vented and one unvented seal.


TacMed Russell Chest Seal - One of the largest available, which can be folded for compactness, but is relatively more expensive.


These seals are used by both military and civilian medics and are considered some of the best options available for managing chest wounds in emergency situations (The Prepared).






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