When should I go to the ER for chest pain instead of seeing a cardiologist?

Call 911 (do not drive yourself) for severe, crushing, or pressure-like chest pain — especially if it radiates to the jaw, arm, neck, or back; comes with sweating, severe shortness of breath, nausea, or lightheadedness; or arrives suddenly as a ripping/tearing sensation. A virtual cardiologist visit is the right path for chest pain that is recurrent, stable, or already evaluated in the ER — and now needs a longitudinal cardiology workup.

What is the difference between angina and a heart attack?

Angina is chest discomfort caused by reduced blood flow to the heart muscle, usually during exertion or stress, that resolves with rest. A heart attack (myocardial infarction) is the same process but sustained long enough to damage heart muscle — the pain is more severe, lasts longer (typically more than 15-20 minutes), and does not relieve with rest. Both deserve evaluation; the heart attack needs it immediately, the angina pattern needs it promptly but can usually be evaluated in an outpatient cardiology setting.

Can a virtual cardiologist really evaluate chest pain?

Yes, for most non-emergency chest pain. The diagnostic logic for chest pain is heavily history-driven: what the pain feels like, what brings it on, what relieves it, what comes with it. That history is taken just as well by video as in person. The testing the workup requires (ECG, blood work, stress testing, CT coronary angiography, echocardiogram) is ordered to imaging centers and labs near you, with results returned electronically to your cardiologist for review. The handful of cases that need an immediate in-person evaluation are identified by the virtual workup; the cardiologist coordinates the referral when needed.

What tests does a cardiologist order for chest pain?

It depends on the pattern of pain and your overall cardiovascular risk, but common tests include a 12-lead ECG (electrocardiogram), basic blood work including a troponin in some cases, an echocardiogram to assess heart structure, and one of several rule-out tests for blockages in the coronary arteries — most commonly a stress test (exercise, exercise-with-imaging, or pharmacologic) or a CT coronary angiogram. Coronary calcium scoring is sometimes added when the risk picture is intermediate. Not every chest-pain workup needs all of these — selecting the right test is part of what a cardiologist does at the first visit.

How quickly should I see a cardiologist for chest pain that is not an emergency?

Stable, recurrent chest pain should be evaluated within days to a couple of weeks, not months. The traditional in-person cardiology wait of three to six months is a major reason patients with concerning chest pain go unevaluated or end up in the ER unnecessarily. Virtual cardiology was built to solve exactly this: most patients can be seen within a week, and the workup is completed in two to three visits over a few weeks.

Chest Pain | Deo Medical Cardiology

When chest pain is an emergency

Before anything else: the patterns of chest pain that warrant calling 911 immediately rather than waiting for a cardiology visit:

Severe, crushing, or pressure-like pain in the center of the chest, especially if it does not relieve within a few minutes.
Pain that radiates to the jaw, the arm (especially the left), the neck, the back, or the upper abdomen.
Pain accompanied by heavy sweating, nausea, severe shortness of breath, lightheadedness, or a feeling of doom.
Sudden severe ripping or tearing pain in the chest or between the shoulder blades — this pattern is concerning for an aortic dissection and is a true emergency.
Chest pain with collapse or fainting.
Chest pain in someone with known heart disease — prior infarction, heart failure, recent procedures — and the pattern feels different or more severe than usual.

Call 911 and do not drive yourself. The most important treatments for a heart attack work best in the first hour after symptoms begin — sometimes called the "golden hour" — and emergency-medical-services transport gets that treatment started in transit.

Chest pain that does not match the patterns above — including chest pain that is recurrent and stable, that has already been evaluated in the ER, or that is bothering you but does not feel catastrophic — is the right scenario for a virtual cardiology visit.

What is actually causing the chest pain

Most chest pain is not from the heart. Estimates vary, but in primary-care and outpatient cardiology settings roughly 70-85% of chest pain turns out to be non-cardiac. That does not mean it is not worth evaluating — it means the evaluation can usually rule out the dangerous causes with high confidence and then identify what is actually going on.

Cardiac causes

Angina. Chest discomfort from reduced blood flow to the heart muscle, usually triggered by exertion or stress and relieved by rest. "Stable angina" is a predictable, exertion-driven pattern; "unstable angina" is new, accelerating, or occurring at rest and is a more urgent picture.
Heart attack (myocardial infarction). Sustained blockage of a coronary artery long enough to cause heart-muscle damage. This is the emergency picture described above.
Pericarditis. Inflammation of the sac around the heart, often after a viral illness. Characteristically the pain is sharp, worse when lying flat, and better when sitting forward.
Coronary artery spasm. Brief constriction of a coronary artery, sometimes without underlying blockage. Can mimic angina but follows a different pattern.
Aortic dissection. A tear in the wall of the aorta. Rare but a true emergency; pain is typically sudden, severe, and ripping or tearing in quality.

Non-cardiac causes (more common)

Musculoskeletal. Costochondritis (inflammation of the cartilage where ribs meet the breastbone), muscle strain, bruising. Reproducible when you press on the chest wall.
Gastroesophageal reflux (GERD) and esophageal spasm. Burning or squeezing chest discomfort that often comes after meals or at night. Sometimes hard to distinguish from cardiac pain on symptoms alone.
Anxiety and panic. Genuinely produces real chest pain via real physiologic responses. The diagnosis is made by ruling out cardiac causes and recognizing the pattern.
Pulmonary causes. Pleurisy, pneumonia, and — importantly — pulmonary embolism. PE deserves the same urgency as cardiac chest pain in patients with risk factors.
Shingles. Before the rash appears, can present as one-sided chest-wall pain.

What a cardiologist actually does for chest pain

The workup is targeted, not a shotgun panel. The pieces:

The history

The single most diagnostic part of a chest-pain evaluation. Your cardiologist will ask in detail: what does the pain feel like, where is it, where does it radiate to if anywhere, how long does it last, what brings it on, what relieves it, what symptoms come with it, how has it changed over time, and what is your underlying cardiovascular risk. A careful history alone separates most cardiac from non-cardiac patterns before any test is run.

The 12-lead ECG

Almost always part of the workup. Ordered to a lab or imaging center near you when the visit is virtual; takes five minutes; results return electronically. An ECG done during active symptoms is more diagnostic than one done after, so if you have a smartwatch with an ECG feature, capturing a tracing during pain is genuinely useful — bring those tracings to the visit.

Blood work

A high-sensitivity troponin is the blood test that detects heart muscle injury and is the workhorse for ruling out recent or active heart attack. Lipid panel, comprehensive metabolic panel, and thyroid function may also be drawn depending on the picture.

Stress testing

The stress test answers a specific question: does the heart show signs of inadequate blood flow when the heart muscle is asked to work harder? Several forms exist — a standard exercise treadmill test for patients who can walk; an exercise stress test with echocardiogram or nuclear imaging for higher-risk patients; or a pharmacologic stress test for patients who cannot exercise.

CT coronary angiography

A modern, low-radiation CT scan that directly visualizes the coronary arteries. Particularly good at ruling out significant coronary disease — a clean CT coronary angiogram is one of the strongest reassurance signals in cardiology, and increasingly the first test of choice in younger and intermediate-risk patients.

Coronary artery calcium (CAC) score

A separate, even lower-dose CT scan that measures plaque calcification in the coronary arteries. Often used when the cardiovascular risk picture is intermediate and the right treatment intensity is not obvious. A zero score is highly reassuring; a non-zero score restratifies risk in a way no blood test can match.

Echocardiogram

An ultrasound of the heart that shows structure and function. Not always needed for chest pain alone, but added when the history suggests valve disease, pericarditis, or heart-failure-related pain.

How virtual cardiology handles chest pain

The diagnostic logic for non-emergency chest pain maps well onto a virtual workflow:

First visit by video. Detailed history, review of any prior records or testing, review of any smartwatch ECG tracings you have, and an initial diagnostic plan.
Targeted testing ordered to imaging centers and labs near you. ECG, troponin, stress test, CT coronary angiogram — whichever the history calls for. Results return electronically.
Follow-up visit by video to interpret results and build the plan. Most chest pain workups can be completed in two to three virtual visits over a few weeks. The plan that emerges depends on what we find — sometimes reassurance and lifestyle modification, sometimes medication to treat the underlying cardiac cause, sometimes referral for a procedure.
Ongoing management. If the workup reveals something needing longitudinal management — angina, controlled coronary disease, lipid management — that continues by video with periodic labs and visits.

Why getting an answer quickly matters

The traditional in-person cardiology wait of three to six months is a major reason patients with stable but concerning chest pain go unevaluated. Some end up in the ER instead — appropriately for severe symptoms, but often after weeks of anxiety. Others stop investigating once the worst-case fear fades, leaving the actual cause unaddressed.

The case for a virtual cardiology visit is that the workup gets started this week, not in three months. For most patients with chest pain, that means either prompt reassurance with a clear explanation of what is going on, or prompt identification of a treatable cardiac cause early enough to prevent a worse problem.

Chest Pain