When the Heart Is Under Pressure: Stress, Cardiac Health, and the Power of Training

A Routine Day That Turned Into an Emergency

Airports are places of constant motion. Travelers hurry through security lines, announcements echo across crowded terminals, and the pressure of catching flights creates an atmosphere that is anything but calm.

In 2014, Dr. Shelley Lynch, DNP, FNP-BC, APRN, CCRN, was returning home from a business trip and making her way through Logan International Airport when the ordinary rhythm of travel was suddenly interrupted.

A Transportation Security Administration (TSA) worker collapsed.

Drawing on years of clinical experience, Shelley immediately stepped forward and began lifesaving measures. Her quick response helped stabilize the situation, and the TSA worker ultimately made a full recovery.

The moment was brief, but its impact was lasting. It reinforced the importance of training, preparation, and the ability to act when a cardiac emergency occurs.

That experience also helped inspire the creation of ACLS Academy, a training center dedicated to providing high-quality education in lifesaving cardiac care skills for both healthcare professionals and members of the community.

Drawing on Shelley’s experience as an American Heart Association instructor, nurse practitioner, and college professor—along with her husband Chad Lynch’s background in business operations and training through the United States Coast Guard—ACLS Academy was built around a simple goal: creating a welcoming environment where lifesaving education is delivered clearly, confidently, and effectively.

Stress and the Heart: What Happens Inside the Body

The mission behind ACLS Academy connects closely with an important public health topic: the relationship between stress and heart health.

Each April, Stress Awareness Month encourages people to better understand how stress affects both physical and mental well-being. While stress is often associated with emotional strain, it also has powerful physiological effects on the cardiovascular system.

When the body experiences stress, it activates the “fight or flight” response. Hormones such as adrenaline and cortisol are released, increasing heart rate and blood pressure while preparing the body to respond quickly to a perceived threat.

In short bursts, this response can be beneficial. It allows the body to react quickly in challenging situations. But when stress becomes chronic or prolonged, the cardiovascular system can experience ongoing strain.

Over time, sustained stress has been linked to high blood pressure, inflammation, heart disease, and other serious health conditions. These physiological effects highlight why managing stress is an important part of protecting long-term heart health.

When Stress Contributes to Cardiac Events

In certain situations, intense emotional or physical stress can contribute to serious cardiac conditions.

These may include:

• Heart attacks• Dangerous arrhythmias• Stress-induced cardiomyopathy, sometimes referred to as “Broken Heart Syndrome”• Sudden cardiac arrest

While cardiac events often have multiple contributing factors, the connection between stress and cardiovascular health is well-documented. Understanding this relationship helps reinforce the importance of both prevention and awareness.

The Role of Training in Cardiac Emergencies

Cardiac emergencies are complex, high-pressure situations that require knowledge, skill, and composure.

Education and training play a vital role in preparing healthcare professionals and trained responders to manage these moments effectively. Through structured instruction and hands-on practice, students develop the skills needed to respond with clarity when seconds matter.

Training programs such as BLS, ACLS, and PALS provide healthcare providers with the opportunity to practice critical skills in a controlled learning environment.

This preparation helps build:

• Confidence in applying lifesaving techniques• Muscle memory developed through repeated practice• The ability to remain focused under pressure• A deeper understanding of how cardiac emergencies unfold

These elements allow trained providers to respond effectively when real-life emergencies occur.

Stress Awareness Month: Protecting Heart Health

Stress Awareness Month serves as an important reminder that protecting heart health involves both prevention and preparedness.

Managing everyday stress through healthy habits, such as regular exercise, quality sleep, balanced nutrition, and mindfulness, can help reduce the long-term strain stress places on the cardiovascular system.

At the same time, awareness of cardiac health also means understanding the importance of education and preparation.

For Dr. Shelley Lynch, one unexpected moment at Logan Airport reinforced the value of training and experience in lifesaving care. Through ACLS Academy, that commitment continues today by providing high-quality education that equips healthcare professionals and trained responders with the skills and confidence needed to act when cardiac emergencies occur.

Because when the heart is under pressure, preparation and training make all the difference.

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ACLS Academy is an authorized American Heart Association (AHA) Aligned Training Center, and most of our classes include an online training component. We offer high-quality courses taught by practicing medical professionals, including ACLS, BLS, TNCC, ENPC, NRP, PALS, PALS Plus, PEARS, ACLS-EP, ASLS, Bloodborne Pathogen, HeartSaver CPR/AED, First Aid, and Instructor Courses. We have training locations in Quincy, Bridgewater, and Newton. Browse our course catalog.