Echocardiogram test: What to expect and what results mean
An echocardiogram test is a painless ultrasound of your heart, done in about an ...
Last Updated: August 5, 2026
Key takeaways
An echocardiogram test is an ultrasound scan of your heart, with no radiation and no needle for most patients.
Four types are in routine use: transthoracic, transesophageal, stress echo, and 3D echo.
A standard scan takes 30 to 60 minutes, and you can drive yourself home afterward.
Normal ejection fraction is 52% to 72% in men and 54% to 74% in women, per American Society of Echocardiography reference ranges.
Practice management software like Pabau keeps echo referrals, reports, and follow-up bookings in one patient record.
A referral for an echocardiogram test usually arrives with almost no explanation. You get a date, a department, and a word you have probably never had to say out loud.
So most patients fill in the blanks themselves, and the guesses run worse than the reality. Nobody tells them the scan sits closer to a pregnancy ultrasound than to anything surgical.
An echocardiogram test is an ultrasound scan of your heart. It shows the chambers, the valves, and the blood moving between them while your heart is still beating. Most patients are in and out inside an hour.
What is an echocardiogram test?
An echocardiogram test uses high-frequency sound waves, also called ultrasound, to film your heart at work. A handheld probe called a transducer sends sound into your chest. Those waves bounce off heart structures and return as signals the machine turns into pictures.
What appears on the screen is a live heart. Valves open and close, walls squeeze, and blood moves from one chamber to the next. Nothing is frozen or rebuilt afterward.
Cardiologists lean on the test because it shows structure and function at the same time. A chest X-ray gives you the heart’s outline. An EKG records electrical activity. Only an echocardiogram shows whether the walls move properly, whether a valve leaks, and how much blood each beat pushes out.
Practices that collect cardiac history on digital medical forms before the visit give the sonographer real context from the first image.
How the scan works, from sound wave to screen
The physics is simple. A cardiac sonographer spreads warm gel on your chest, then presses the transducer against your skin. That gel pushes the air out of the way, because sound travels poorly through air.
The probe fires pulses of ultrasound at frequencies between 2 and 8 megahertz, well above anything you can hear. Each pulse passes through soft tissue, hits the heart, and reflects back. The machine times the returning echo and works out how deep and how dense that structure was.
Repeat that thousands of times a second and you get a moving picture. Meanwhile, small adhesive electrodes on your chest record an EKG trace next to the images.
That trace matters more than it looks. It lets the sonographer line up every frame with the cardiac cycle. So they can measure the left ventricle the instant it finishes filling, then again when it finishes squeezing.
Four types of echocardiogram, and when each is used
Four types are in routine clinical use. Which one you get depends on what your cardiologist needs to see, and on how clearly the standard approach shows it.
Most patients get the transthoracic echocardiogram, or TTE. It is non-invasive, needs no sedation, and runs 30 to 60 minutes.
A transesophageal echocardiogram, or TEE, comes next when TTE images are not clear enough. It also gets ordered when the cardiologist needs a close look at the back of the heart. The mitral valve, the aorta, and the left atrial appendage all sit in that blind spot.
Because the esophagus runs directly behind the heart, the probe gets a far sharper angle from there. Patients fast for 4 to 6 hours beforehand and receive sedation for comfort.
A stress echocardiogram compares your heart at rest against your heart under load. Exercise versions use a treadmill or a stationary bike. When a patient cannot exercise, dobutamine raises the heart rate instead. Either way, the test hunts for wall motion that only falters under strain, which is the signature of coronary artery disease.
3D echo is the specialist option. Surgeons use it most often when planning a valve repair or a structural procedure.
What does an echocardiogram show?
One scan produces a surprising amount of clinical data. Here is what a cardiologist reads off the images and measurements.
- Ejection fraction (EF): The share of blood the left ventricle pushes out per beat. The American Society of Echocardiography puts the normal range at 52% to 72% in men and 54% to 74% in women. Below 40% points to significant systolic dysfunction.
- Chamber size and wall thickness: Enlarged chambers or thickened walls suggest cardiomyopathy, long-standing high blood pressure, or volume overload.
- Valve function: All four valves get checked. Narrowing and leaking both show up, and Doppler measurements grade how severe each one is.
- Wall motion: Segments that move poorly, or not at all, point to a prior heart attack or to ischemia.
- Pericardial effusion: Fluid gathering around the heart appears as a dark space surrounding the cardiac structures.
- Pulmonary artery pressure: Raised pressures suggest pulmonary hypertension.
- Congenital defects: Holes between the chambers, such as atrial or ventricular septal defects, are visible on echo.
Conditions the scan can pick up
Beyond single measurements, an echo settles whole diagnoses. Heart failure is the most common reason it gets ordered anywhere in the world. The scan shows whether the pump is weak, with a reduced ejection fraction, or stiff, with a preserved one.
That distinction changes the treatment plan, which is why it matters so much. Other findings the test picks up reliably include endocarditis, cardiomyopathy, aortic aneurysm, blood clots inside the heart, and congenital heart disease in adults and children.
Murmur evaluation belongs on that list too. And a fetal echocardiogram, performed during pregnancy, can spot structural heart problems before a baby is born.
Why your doctor ordered an echocardiogram
Referrals fall into two buckets. Either the doctor is chasing a new symptom, or they are keeping an eye on a condition you already have.
- Unexplained shortness of breath, or breathlessness on exertion
- Chest pain with no cause pinned down yet
- Palpitations or an irregular heartbeat, including suspected atrial fibrillation
- A heart murmur picked up during a physical exam
- Raised cardiac biomarkers, such as troponin or BNP
- Before or after cardiac surgery, to record baseline function and recovery
- Fainting with no clear explanation
- Known heart failure, to track the response to treatment
- Known valve disease, to follow how fast it is progressing
- High-risk patients starting chemotherapy that can damage the heart
Echocardiography is one of the most widely used diagnostic tools in cardiology, according to the American Heart Association. No other bedside test says this much about structure and function at once.
Breathlessness rarely gets worked up on its own, though. Depending on the exam, a doctor may order an echo alongside lung function testing or an arterial blood gas test. Many of those referrals begin in primary care practices rather than in a cardiology department.
From there, the timeline is largely an admin problem. Tight appointment management is what stops a patient waiting weeks between the referral and the scan.
How to prepare for an echocardiogram
Preparation depends entirely on which echo you are booked for. A standard TTE needs nothing at all. A TEE needs an empty stomach and a ride home.
- Standard TTE: No fasting. Take your medications as normal unless the ordering physician says otherwise. Wear loose, comfortable clothing, and skip heavy lotion on your chest.
- Stress echo (exercise): Avoid heavy meals for at least 3 hours. Some cardiologists ask patients to hold beta-blockers that day, so confirm it with the ordering clinician. Bring exercise clothes and supportive shoes.
- Stress echo (pharmacological): Skip caffeine for 24 hours, because it blunts the response to adenosine-based stress agents. Fast for 3 hours beforehand.
- TEE: Take nothing by mouth for 4 to 6 hours, following Mayo Clinic pre-procedure guidance. Arrange transport home, since sedation rules out driving for hours. Remove dentures if you wear them.
Practices that send those instructions through digital intake forms at the moment of booking waste fewer slots. Clear, early communication is also where patient compliance with diagnostic testing begins.
Before you go: A quick checklist
- Check which type of echo you are booked for, because the prep differs.
- Confirm whether you need to fast, and for how long.
- Ask whether to take your usual medications that morning.
- Line up a driver if you are having sedation.
- Leave lotion, body oil, and heavy jewelry at home.
- Bring your referral letter and a current medication list.
- Wear a top you can take off easily.
How an echocardiogram is done on a woman
The scan itself is identical for women and men. Heart anatomy does not change where the transducer goes or how it is angled. What changes is the gowning and the privacy around it.
Female patients get a gown or a drape before the test starts. Only the small area of chest needed for each probe position is uncovered, and briefly. Everything else stays covered, and the electrodes go in the same standard spots used for every patient.
You can also ask for a female sonographer. Most cardiac imaging departments arrange that as a matter of routine.
Anxiety here usually comes down to not knowing. Once a patient hears that the exposure is brief, minimal, and handled by a trained professional, most of it lifts. The scan still takes the same 30 to 60 minutes.
Staff who own patient care management can settle these questions on the booking call, long before the patient arrives.
What happens during an echocardiogram, step by step
Here is exactly what a standard transthoracic scan involves, from arrival to walking back out.
- Change into a gown. You undress from the waist up and put on a hospital gown.
- Lie on the examination table. You start on your left side, which brings the heart closer to the chest wall and sharpens the images.
- Electrodes go on. Small adhesive stickers on your chest record an EKG alongside the echo images.
- Gel is applied. The sonographer spreads warm conducting gel to keep good contact between the probe and your skin.
- The transducer moves across your chest. It is held firmly and angled through several standard positions, called acoustic windows, to catch different views.
- You may be asked to hold your breath. Breathing shifts the heart slightly, so short breath-holds clean up specific measurements.
- Images are captured and reviewed. The full scan runs 30 to 60 minutes, and the sonographer may add measurements if something needs a closer look.
- Get dressed and leave. A standard TTE has no recovery period, so you can drive home and carry on as normal.
Pro Tip
Ask the sonographer what they are looking at as they scan. Most are happy to talk you through the images live. It settles nerves, and it gives you a rough orientation to your own heart before you sit down with your cardiologist.
How to read your echocardiogram results
You will not get your results in the room. The sonographer sends the images and measurements to a cardiologist, who writes the formal report. That report reaches your referring doctor in roughly 1 to 5 business days.
The report also uses terms nobody bothers to explain. Here are the ones patients ask about most.
One line on that table trips people up. Grade I diastolic dysfunction means impaired relaxation, the mildest degree of the problem, not a normal finding. A genuinely normal report says diastolic function is normal and gives no grade at all.
What does a normal echocardiogram mean?
A normal result means no structural or functional problem showed up at the time of the scan. It does not clear you of every heart condition. Coronary artery disease without wall motion changes, intermittent arrhythmias, and early electrical problems can all hide behind a structurally normal echo.
So talk the result through with your cardiologist in the context of your own symptoms. “Your echo is normal” answers one question and often opens others.
Practices with structured patient records can follow echo results over years, flagging drift between one scan and the next. And telehealth consultations let a clinician deliver a normal result without dragging the patient back in for a five-minute conversation.
Is an echocardiogram safe?
For a standard transthoracic scan, yes. It uses sound waves, carries no radiation, and needs no injection for the vast majority of patients. The FDA clears diagnostic ultrasound equipment for clinical use, and decades of routine practice have turned up no evidence of harm.
TEE carries a few extra risks, because the probe travels down the esophagus. A sore throat afterward is common, and esophageal discomfort is less so. Perforation is rare. Published case series and reviews put that risk at roughly 0.01% to 0.09%.
Sedation adds its own standard risks on top. A trained cardiologist performs every TEE, with monitoring and emergency equipment in the room.
Stress echocardiography carries a small cardiovascular risk, since the heart is pushed deliberately toward its limits. Direct medical supervision and on-hand emergency equipment keep that risk very low. For most patients, missing a serious cardiac problem is the bigger danger by far.
Echocardiogram vs EKG: What is the difference?
These two get confused constantly, because both are common cardiac tests that involve sticking things to your chest. They measure completely different things.
A patient with palpitations often gets both. The EKG checks whether an arrhythmia is running during the recording. The echo checks whether something structural, such as an enlarged chamber or a faulty valve, is driving the symptom.
The two tests complement each other, so booking them together saves the patient a trip. Better appointment scheduling usually makes that possible in a single visit.
How much does an echocardiogram cost?
Two things drive the price. The first is whether you have insurance. The second is where in the US you have the scan done.
With insurance: Medicare Part B covers a medically necessary echocardiogram test. Per the CMS billing and coding article for echocardiography, CPT code 93306 is payable when the clinical indications are documented. Most private insurers apply similar criteria, and your share comes down to your deductible and co-pay.
Without insurance: Hospital list prices for an echocardiogram test run roughly $1,000 to $3,000, and they vary widely by institution and region. Call the facility’s billing department and ask for the self-pay rate, which is often far below the list price. Treat every figure here as an estimate and confirm it with the provider.
Cost clarity also decides whether patients come back. Practices that measure patient satisfaction after diagnostic visits hear the same point repeatedly. Plain billing keeps people engaged in their own follow-up care.
Where echo referrals get stuck
Most delays in cardiac imaging have nothing to do with the scanner. They happen in the paperwork wrapped around it. Five failures account for most of the lost time.
- The indication is missing. Insurers want the clinical reason on the referral. A request that only says “chest pain” invites a pre-authorization query.
- The wrong study gets ordered. Booking a TTE when the question really needs a TEE costs the patient a second visit.
- Prep instructions never land. A TEE patient who ate breakfast gets sent home, and that slot is gone for the day.
- The report lands in an inbox, not the chart. If it never reaches the patient record, nobody acts on it.
- No follow-up is booked. An abnormal ejection fraction needs a conversation, and that conversation needs a slot.
Practices that run cardiac screening in-house, including longevity practices, hit exactly the same list. What fixes it is documentation that travels with the patient, not more chasing.
How Pabau keeps echo referrals and results moving
Right now, most practices run this loop across four places. The referral sits in a letter, the prep instructions in a template email, the report in a PDF, and the follow-up in somebody’s head.
Practice management software like Pabau pulls the whole loop into one patient record. Intake forms collect the cardiac history before the appointment. Prep instructions send themselves the moment the booking is made. The report attaches to the same file the cardiologist already has open.
The result is pleasantly boring. Fewer wasted slots, fewer reports sitting unread, and a follow-up already on the calendar before the patient walks out. Your team spends its time on patients instead of on paper.
Serial monitoring gets easier too, since every scan lands on one timeline. So a drop in ejection fraction between two visits is obvious at a glance, rather than buried in a folder somebody has to go find.
Keep echo referrals, reports, and follow-ups in one place
Pabau brings intake forms, referral notes, echo reports, and follow-up bookings into a single patient record. Nothing waits in an inbox, so your team stops chasing and patients stop slipping through.
Conclusion
An echocardiogram is one of the least dramatic tests in medicine and one of the most informative. Half an hour on your left side, some warm gel, and a cardiologist has a working picture of your heart.
If you are the patient, ask which type you are booked for. Then ask what the report will be used to decide, because that tells you what the next appointment is really about.
If you run the practice, the win sits in the loop rather than the scan. Close the distance between the referral and the follow-up and fewer patients drift out of the workup.
Book a demo to see how Pabau handles echo referrals, result documentation, and follow-up care for cardiology and private practices.
Continue your research
Screening a patient’s wider cardiac risk? Body composition test explains what the measurements mean and where they fit in a preventive workup.
Need reference ranges for a diabetes check? Fasting blood sugar levels chart gives you the thresholds in one printable page.
Writing referral letters a specialist can act on? Safer clinical notes covers the documentation habits that cut ambiguity out of a referral.
Looking at AI to speed up your notes? HIPAA compliant AI tools sets out what to check before any tool touches patient data.
Want to lower anxiety before a scan? How to capture patient feedback shows how collecting concerns early helps your team prepare for the visit.
Frequently asked questions
Can an echocardiogram detect blocked arteries?
Not directly. An echo cannot see inside the coronary arteries themselves. A stress echo infers a blockage from wall motion that falters under load. To view the arteries, you need a CT coronary angiogram or an invasive angiogram.
What is a bubble study echocardiogram?
A bubble study adds agitated saline through a vein in your arm during the scan. The sonographer then watches for bubbles crossing from the right side of the heart to the left. That crossing suggests a hole such as a patent foramen ovale.
How often should an echocardiogram be repeated?
There is no fixed schedule, because the interval follows the condition. Mild, stable valve disease is often rechecked every 3 to 5 years. Severe disease may be reviewed every 6 to 12 months. Your cardiologist sets the timing.
Do you need a referral for an echocardiogram?
In almost every setting, yes. A physician, nurse practitioner, or physician assistant has to order the study, and insurers want a documented clinical reason. Some private screening programs sell direct-access scans, but a clinician still has to interpret the report.
Can children have an echocardiogram?
Yes. Pediatric echocardiography uses the same sound waves with a smaller, higher-frequency probe. Sedation is uncommon and mostly reserved for infants who cannot lie still. A fetal echocardiogram can also check a baby’s heart before birth.
