Bicycle exercise stress test

A bicycle ergometry test records your ECG while you pedal an exercise bike against rising resistance. At rest, your heart may work perfectly. A lack of oxygen in the heart muscle often shows up only when the heart has to beat faster. This graded exercise test checks exactly that: how your heart, blood pressure and rhythm respond to effort. At Oberig Clinic, we do it in the cardiology room on a GE stress testing system, with a doctor watching the whole time.

How an exercise ECG differs from a regular one

A regular ECG takes a few minutes while you lie still. It picks up rhythm problems and old heart attacks well. With angina it often looks normal, because at rest the heart gets enough oxygen. During exercise, the heart needs several times more oxygen. If a coronary artery is narrow, blood flow falls short, and typical changes appear on the ECG. That is why it is called a stress test: the heart gets controlled stress in a safe setting.

You can exercise on a bike (bicycle ergometry) or on a treadmill. Both aim for the same thing: reach a target heart rate and record how the heart responds. At Oberig Clinic, we use the bike.

Who needs the test

A cardiologist usually orders it. The most common reason is chest pain or pressure, or shortness of breath when you walk or climb stairs, that goes away at rest. The test helps confirm or rule out coronary heart disease when a regular ECG looks normal. It also shows whether angina treatment works, including after a stent or bypass.

Other reasons: high blood pressure, when the doctor wants to see how it reacts to effort. Rhythm problems that appear during activity. A check before hard training after 40 or with risk factors such as smoking, diabetes, high cholesterol or family history. Sometimes the test measures exercise tolerance before surgery or for a work fitness review.

What the test can find

It can show hidden myocardial ischemia, meaning signs of poor blood flow to the heart. It can show exertional angina, rhythm and conduction problems that appear only during exercise, a blood pressure rise that is too high or too low, and your real fitness level. A treadmill test finds the same things. Based on the result, the cardiologist decides if you need more tests, such as CT coronary angiography, and how to adjust treatment.

When the test is not done

The test is skipped when exercise could be dangerous. Absolute reasons: a heart attack in the past few days, unstable angina, severe uncontrolled arrhythmias, tight aortic valve stenosis, sudden heart failure, active myocarditis or pericarditis, pulmonary embolism, an infection with fever. Relative reasons: very high blood pressure at rest, severe electrolyte problems, leg joint problems that make pedaling hard. The doctor decides after an exam, an ECG and a heart ultrasound.

How to prepare

The clinic's prep sheet is short, but every point counts:

• the test is done in the morning, no later than 12:00
• 3 days before, your cardiologist may stop some medicines (beta blockers, long-acting nitrates, diuretics, cardiac glycosides, amiodarone), do not stop any medicine on your own
• bring your heart ultrasound (echocardiography) report
• no smoking the day before
• a light breakfast 2 hours before is fine: tea, a sandwich
• do not come right after stress or a hard workout
• bring comfortable sports clothes and shoes, plus a dry change of clothes

The full prep sheet is on the bicycle ergometry preparation page.

Why do shoes and clothes matter? You pedal for 8-12 minutes with rising effort. In tight jeans or uncomfortable shoes, your legs tire before your heart reaches the target rate. Then the test may not give an answer. Sneakers, a T-shirt and sweatpants solve this. Women find it easier to skip a one-piece bodysuit or dress, because the electrodes go on the chest.

Before the test starts, tell the doctor about every medicine you take, including drops and supplements. Mention any chest pain in the last few days and any joint or back problem that might make pedaling hard, because all of this changes how the doctor plans the load and reads the result. A recent cold counts too. Small details matter here, and a two-minute talk before the bike can save you a repeat visit later.

How the test goes

Electrodes go on your chest and a blood pressure cuff goes on your arm. First the doctor records your ECG and blood pressure at rest. Then you start pedaling with light resistance. Every 2-3 minutes it gets harder. The ECG records nonstop, and blood pressure is checked at every stage. The doctor stays next to you and asks how you feel.

The goal is your target heart rate, usually about 85% of the maximum for your age. The test stops early if you get chest pain, strong shortness of breath, dizziness, significant ECG changes, dangerous rhythm problems or a very high blood pressure. After the effort, the recovery is recorded for another 5-10 minutes. The whole visit takes 30-45 minutes, including the talk with the doctor at the start and the end. On a treadmill it works the same way. Only the load changes: belt speed and incline.

Key numbers and normal results

After the test the doctor looks at several measures. These are rough guides, not diagnostic cut-offs. The doctor always reads them for you personally, with your age, medicines and symptoms in mind.

Measure	What it shows	Rough guide
Heart rate	whether the target rate was reached	about 85% of 220 minus your age
Blood pressure	how it changes with effort	systolic rises step by step, usually not above 220 mmHg
ST segment on ECG	signs of ischemia	no flat drop of 1 mm or more
Rhythm	arrhythmias during the test	occasional extra beats that do not increase
Exercise tolerance	the power you reached	depends on age, sex and fitness

A normal result means you reached the target heart rate, your blood pressure responded well, and the ECG showed no ischemia or dangerous arrhythmias. Doctors call it a negative test.

How the result is read

The cardiologist gives one of four verdicts. Negative: no signs of ischemia at the target heart rate. Positive: typical ECG changes or an angina attack appeared, so ischemia is likely. Equivocal: there are changes, but they do not meet the criteria. Non-diagnostic: the heart rate did not reach the target, for example because of tired legs or medicines. The report also lists the power reached, why the test stopped and how blood pressure reacted. Talk it through with your doctor. The next steps depend on it.

What next? With a negative test and no symptoms, the cardiologist usually focuses on risk factors: blood pressure, cholesterol, weight, smoking. With a positive or equivocal test, the next step is often CT coronary angiography or invasive angiography to see the heart arteries. If the test was non-diagnostic, the doctor may offer a stress echo or another method that does not depend on how long you can pedal.

Common questions

Is it dangerous?

The risk is very low. The test is done for a clear reason, after an exam, with a doctor next to you. The effort stops at the first warning sign. The doctor sees the ECG live and spots changes before you feel them. The room has everything for emergency care, but almost nobody needs it.

Can older people take the test?

Yes, if nothing rules it out. For older patients the load rises more gently, and the target rate takes age into account.

I was referred for a treadmill test. Will the bike work?

Yes. Both are heart stress tests with the same goal and the same criteria. If your referral says treadmill test or just exercise test, bicycle ergometry gives your cardiologist the same answer.

How will I feel afterward?

Like after a good workout: a bit tired and sweaty for 10-20 minutes. You can go back to your day right away, but skip hard sports that day.

How long does it take?

The exercise itself lasts 8-12 minutes. With prep and recovery, up to 45 minutes. Leave a little extra time.

What if I cannot pedal for long?

That is fine. The doctor will read that result too. If the test does not give an answer, you will get another method. Your fitness level is useful in itself: it shows how ready your heart and muscles are for daily effort and helps build a safe training plan.

Can I come with high blood pressure?

If your resting blood pressure is very high, the test will be moved. Keep taking your blood pressure pills unless your cardiologist says otherwise. Check your pressure at home the morning before, and bring the numbers.

Price at Oberig Clinic

In many clinics a treadmill test costs more than bicycle ergometry, because it needs a separate treadmill. At Oberig Clinic the exercise test is done on a bike. The price includes the ECG recording, blood pressure monitoring and the cardiologist's report.

Test	Price
Graded exercise test (bicycle ergometry)	UAH 2,565

Prices are from the clinic price list as of 26.10.2026. They may change. Please check the current price with the contact center.

Why choose Oberig Clinic

• GE stress testing system and nonstop ECG recording during the test.
• Cardiologists and functional diagnostics doctors, including Oksana Korytska, senior-category doctor with 37 years of experience.
• ECG, heart ultrasound, 24-hour ECG and blood pressure monitoring and CT coronary angiography in one clinic: you can finish a heart workup in one or two visits.
• A doctor runs and reads the test, not just a machine, and you discuss the result with a cardiologist.

Address: 3 Zoolohichna St, buildings G and V, Kyiv. Book online at https://my.oberig.ua/ua/appointment/ or call +38 044 521 30 03.