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— Cardiac Health & COVID-19
Understanding the cardiovascular risks of COVID-19 — from acute infection to long-term complications — and what you can do to protect yourself.
COVID-19 is more than a respiratory illness. Research shows the virus can directly inflame the heart muscle, disrupt heart rhythm, and significantly increase the risk of blood clots, heart attack, and stroke — even in people with no prior heart disease.
— Overview
COVID-19 is an infectious disease caused by the SARS-CoV-2 coronavirus. While primarily known as a lung infection, it can affect nearly every organ system — with the heart and blood vessels among the most vulnerable targets.
The virus binds to ACE2 receptors found abundantly in the heart, triggering inflammation, oxidative stress, and blood-clotting abnormalities with serious and lasting consequences.


— Cardiac Impact
COVID-19 can cause direct myocardial injury through viral invasion of heart cells, widespread systemic inflammation, and reduced oxygen supply to cardiac tissue.
Important: Even mild COVID-19 infections can leave cardiac abnormalities detectable months after recovery. Anyone with chest pain or palpitations post-COVID should seek evaluation.
3×
Higher Heart Attack Risk
78%
Show Cardiac Findings Post-COVID
30%
ICU Patients with Cardiac Injury
6mo+
Long COVID Cardiac Symptoms
— Warning Signs
During or after COVID-19 infection, these cardiovascular warning signs should never be ignored. Seek immediate medical attention if you experience any of the following.
Chest Pain
Pressure, tightness, or burning sensation in the chest
Shortness of Breath
Breathlessness even at rest or minimal exertion
Palpitations
Rapid, fluttering, or irregular heartbeat
Extreme Fatigue
Unexplained exhaustion or inability to perform daily tasks
Dizziness
Lightheadedness or fainting spells
Leg Swelling
Oedema in legs or ankles indicating fluid retention
Brain Fog
Cognitive impairment linked to reduced cerebral blood flow
Blood Clot Signs
Leg pain or redness that may signal DVT or PE
— What You Can Do
Protecting your heart before, during, and after a COVID-19 infection requires a proactive, informed approach.

Prevention
Protecting Your Heart Before Infection
Vaccination significantly reduces the risk of severe cardiac complications. Managing existing heart conditions, staying active, and avoiding smoking further lower your vulnerability.

Treatment
Cardiac Care During COVID-19
Early recognition of cardiac symptoms leads to faster, more effective treatment. Anticoagulants, anti-inflammatories, and close monitoring can be life-saving during acute illness.

Recovery
Long COVID & Cardiac Rehabilitation
Post-COVID cardiac rehab focuses on gradual exercise re-introduction, heart monitoring, and managing persistent inflammation to restore full cardiovascular function.
— High Risk Groups
While COVID-19 can affect anyone, certain populations face a dramatically elevated risk of serious cardiac complications. Identifying and protecting high-risk individuals is a clinical priority.
Doctor's Advice: If you fall into a high-risk category, schedule a cardiac evaluation after COVID-19 recovery, even if you feel well. Sub-clinical damage is common and detectable with proper screening.

If you've had COVID-19 — especially with cardiac symptoms — a specialist evaluation can detect hidden damage early and guide your road to full recovery.