A two-piece outfit with a loose, front-opening or easily removable top is the single best clothing choice for an echocardiogram. The test requires a sonographer to press an ultrasound transducer directly against the skin of your chest, so anything that makes it quick and simple to bare your torso from the waist up will speed the process and reduce awkwardness. Beyond that basic principle, a few other details about jewelry, lotions, and footwear (especially for stress echocardiograms) are worth knowing before your appointment.
Why Your Clothing Matters for This Test
An echocardiogram uses high-frequency sound waves to create real-time images of your heart. The sonographer places a handheld probe called a transducer on several spots across your chest, applying a water-based gel to ensure good contact between the device and your skin. The transducer must sit flat against bare skin at specific locations, typically the left side of the chest near the breastbone, under the left breast, and sometimes just below the rib cage or at the base of the throat. Any fabric, padding, or obstruction between the probe and your skin degrades the image or blocks it entirely.
Physical barriers over these areas are a known challenge even in clinical settings. In ICU patients, for example, surgical dressings and drainage tubes placed after chest surgeries can obscure the parasternal and apical imaging windows that sonographers rely on most heavily.1Critical Care Explorations. Point-of-Care Echocardiography in the Difficult-to-Image Patient in the ICU: A Narrative Review For an outpatient walking into a cardiology office, the principle is the same on a smaller scale: anything covering your chest is something you or the technician will have to work around.
What to Wear to a Standard Echocardiogram
The ideal outfit is simple. Wear a separate top and bottom. A button-down shirt, a pullover you can slip off easily, a zip-up hoodie, or a loose blouse all work well. The bottom half of your outfit stays on for the entire test, so wear whatever pants, skirt, or shorts you find comfortable. You will be lying on your left side on an exam table for roughly 30 to 60 minutes, so comfort matters more than appearance.
Most facilities will hand you a hospital gown and ask you to change from the waist up. The gown opens in the front, giving the sonographer easy access to your chest while still allowing you to stay partially covered when the transducer is not actively in use. If you arrive in a two-piece outfit, changing takes about a minute. If you arrive in a one-piece garment, you may need to remove nearly everything, which is less comfortable and takes longer.
A sports bra or regular bra typically needs to come off, since the band and underwire sit directly over areas the sonographer needs to reach. If you wear a bra to the appointment, choose one that is easy to unhook or remove. Some people prefer to skip the bra entirely and wear a loose top instead, which simplifies the process further.
Clothing to Avoid
Certain outfits create unnecessary hassle. A few common mistakes people make:
- One-piece dresses or jumpsuits: These force you to undress almost completely instead of just removing your top half.
- Tight-fitting shapewear or compression garments: They take time to peel off and put back on, and they can leave temporary skin impressions that the sonographer may need to wait for to fade.
- Overalls or rompers: Same problem as a one-piece dress. You end up standing in the exam room in your underwear while you rearrange straps and buckles.
- Heavy layering: A coat over a sweater over a button-down over an undershirt means four things to remove and four things to put back on. One easy-off layer is enough.
- Tops with complicated closures: Corset-style lacing, multiple hooks, or back-only zippers slow things down and can be hard to manage in a small changing area.
None of these are deal-breakers. The test will still happen if you show up in a jumpsuit. You will just spend more time changing and feel less at ease during the process.
What About a Stress Echocardiogram
A stress echocardiogram adds an exercise component, usually a treadmill walk that gradually increases in speed and incline. The sonographer takes images of your heart at rest, then again immediately after you have exercised to your target heart rate. This changes the clothing equation in two ways.
First, you need shoes you can walk and jog in. Sandals, heels, and dress shoes are not safe on a treadmill. Bring sneakers or athletic shoes with rubber soles and good traction. If you forget, some facilities can lend you a pair, but it is not guaranteed and borrowed shoes rarely fit well.
Second, your lower half matters now too. Wear athletic pants, leggings, or loose-fitting shorts you can move comfortably in. Jeans are technically possible but restrictive and uncomfortable when you are walking uphill at a fast clip. Skirts and dresses are impractical on a treadmill for obvious reasons.
The upper body rules are the same as a standard echo. You will still change into a gown from the waist up. ECG electrode stickers will be placed on your chest to monitor your heart rhythm throughout the exercise, and the sonographer needs quick access to your chest the moment you step off the treadmill, since post-exercise heart images must be captured within about 60 seconds before your heart rate drops.
In short, think of a stress echo appointment as a trip to the gym followed by an ultrasound. Dress for both.
Jewelry, Lotions, and Other Small Details
Necklaces and long pendants should come off before the test. They get in the way of the transducer and can press uncomfortably into your skin when you are lying on your side. Earrings and rings are fine. A watch on your wrist is fine too, though you may want to remove it if it is bulky, since you will be lying in a somewhat awkward position with your left arm raised or tucked.
Some sources suggest avoiding lotions, oils, or thick moisturizers on your chest the day of the test. The reasoning is that certain products can interfere with the gel’s ability to maintain good acoustic contact between the transducer and your skin. In practice, most sonographers can work around a normal amount of body lotion without any trouble. But if you have just applied a heavy layer of body oil or a thick cream, it may need to be wiped off before imaging can begin. Skipping chest moisturizer on the morning of your appointment is a minor convenience, not a strict requirement.
Deodorant and antiperspirant are not an issue, since those go under the arms, not over the areas where the probe is placed. Perfume and cologne are similarly fine from a technical standpoint, though some patients and staff in close quarters appreciate a lighter touch.
What Happens If You Wear the Wrong Thing
Nothing catastrophic. The echocardiogram will not be canceled because you wore a dress. The facility will give you a gown, you will change, and the test will proceed. The worst-case scenario is a few extra minutes of changing time and a bit more discomfort if you end up with less coverage than you would prefer between gown adjustments.
Some people worry about wearing the “wrong” bra or forgetting to remove a piece of jewelry. Sonographers deal with this daily. They will tell you what needs to come off and give you a moment to do it. The test itself is not painful, though the pressure of the transducer against your ribs and the cold gel can be mildly uncomfortable. Being in clothing you find easy to manage reduces the overall stress of the experience, which is the real reason to plan ahead.
Transesophageal Echo Is a Different Situation
A transesophageal echocardiogram, often called a TEE, takes images from inside the esophagus rather than through the chest wall. Instead of pressing a probe against your skin, the cardiologist guides a thin, flexible tube with an ultrasound transducer on its tip down your throat. This gives clearer images of certain heart structures, particularly the valves and the back of the heart, which are harder to see through the chest.
For a TEE, clothing requirements are different. You will typically change into a full hospital gown because you will be lying flat, possibly lightly sedated, and the medical team needs access to your upper body for monitoring equipment. Wear something easy to change out of entirely and easy to put back on when you are slightly groggy afterward. Slip-on shoes are a good idea, since bending over to tie laces after sedation is unpleasant. Leave valuables at home or in a secure bag you can hand to the person driving you, since you should not be left responsible for belongings while sedated.
You will be told not to eat or drink for several hours before a TEE. The clothing advice is secondary to the fasting requirement, but both matter for a smooth appointment.
If You Have Surgical Dressings or Medical Devices
People who have recently had chest surgery, who have pacemakers or defibrillators, or who are wearing external medical devices sometimes worry about how these affect the test. Surgical dressings over the chest can block the standard imaging windows the sonographer relies on.1Critical Care Explorations. Point-of-Care Echocardiography in the Difficult-to-Image Patient in the ICU: A Narrative Review If you have bandages, wound dressings, or medical tape on your chest from a recent procedure, call the ordering physician’s office before the appointment. They can advise whether the dressings can be temporarily adjusted or whether the test should be rescheduled.
Holter monitors and event monitors involve electrode patches on the chest that are similar to the ECG stickers used during an echo. If you are wearing one and scheduled for an echocardiogram, the sonographer may need to temporarily reposition a lead or two. Let the front desk know when you check in so they can plan for it.
Implanted devices like pacemakers and defibrillators do not prevent an echocardiogram. In fact, echo is frequently used to check how well the heart is functioning with these devices in place. The device itself does not require any special clothing considerations, but the scar from the implantation site may be tender, so wearing a soft top that does not press on it during travel to and from the appointment can make the day more comfortable.
Practical Tips People Forget
A few things that do not always make the official instruction sheet but are worth knowing from experience:
- Bring a towel or extra shirt: The ultrasound gel is water-based and wipes off easily, but you may still feel slightly sticky afterward. A fresh undershirt to change into can be a nice touch, especially if you are heading to work or a social event.
- Wear warm socks: Exam rooms are often cold, and you will be lying still for a while. Your feet will get cold before the rest of you does.
- Skip the complicated hairstyle: You will be lying on your left side with your head on a pillow. Anything elaborate will get flattened or tangled. A ponytail or loose hair works best.
- Consider a front-closure bra if you want to wear one: If going without a bra for the entire appointment is not your preference, a front-closure style lets you put it back on quickly once the test is done, without having to reach behind your back on an exam table.
Children and Echocardiograms
If your child is having an echo, the same basic rule applies: dress them in a two-piece outfit with a top that comes off easily. For infants and toddlers, a onesie with snap closures at the front works well and opens quickly. Avoid multiple layers, since small children are often already anxious in a medical setting, and wrestling with clothing adds to their distress.
Bring a comfort item like a stuffed animal, blanket, or tablet loaded with a favorite show. Pediatric echocardiograms require the child to stay relatively still, and distraction is the most effective tool. For older children and teens, the clothing advice mirrors what adults should follow: loose, easy-off top, comfortable bottom, no complicated accessories. Let them know ahead of time that the gel will feel cold and that the room will be dark so the sonographer can see the screen clearly. Knowing what to expect reduces anxiety far more than the perfect outfit does.
Some pediatric patients, particularly those with sensory sensitivities, may be distressed by the feel of a hospital gown or the texture of ultrasound gel. If your child has known sensory issues, mention this when scheduling so the team can prepare. Some facilities have warmed gel available, and others will allow the child to keep their own soft shirt partially on and simply move it as needed rather than switching to a gown.