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Pulmonary Vein Peak Velocity, Systolic and Diastolic — Doppler

Published: August 9, 2026Updated: August 16, 2026

Doppler ultrasound measures peak blood-flow velocities in the pulmonary veins during systole and diastole to help assess heart function.

Quick summary

["This echocardiography measurement evaluates blood-flow patterns returning from the lungs to the heart."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
29464-5
Short code
Pulm v Vmax sys/dias DOP
Synonyms
Pulm v Vmax sys/dias DOP
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
us-doppler
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

This is a Doppler echocardiography measurement of the pulmonary veins, which carry oxygen-rich blood from the lungs back to the left side of the heart. It records the maximum blood-flow velocity during the systolic and diastolic phases of the heartbeat.

Why might I need this test?

It may be used to help evaluate left-sided heart function, left atrial pressure, and the effects of mitral valve disease. The results are usually interpreted with the rest of your echocardiogram, symptoms, and other cardiac tests.

How is the test performed?

A technician uses a handheld ultrasound probe over the chest to image the pulmonary veins. Doppler technology measures the speed and pattern of blood flow, and the measurements are recorded for your clinician to review.

How do I prepare for the test?

No special preparation is usually required. You may be asked to lie on your side and may need to briefly hold your breath during the examination. Follow any specific instructions from the imaging center, particularly if other tests are planned.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Abnormal pulmonary vein velocity patterns may occur with mitral valve disease, elevated left atrial pressure, or impaired left-sided heart function. Interpretation depends on the overall echocardiogram and clinical findings, so an isolated abnormal value does not establish a diagnosis.

Short name

Pulmonary vein Doppler

Frequently asked questions

Is this the same as a pulmonary artery test?
No. Pulmonary veins return blood from the lungs to the heart, while pulmonary arteries carry blood from the heart to the lungs. Similar Doppler measurements may also be obtained for the pulmonary artery.
Does the test involve radiation or needles?
No. It is a noninvasive ultrasound measurement performed with a probe on the chest and does not involve radiation, contrast, or injections.
Can I interpret the velocities on my own?
No. These measurements must be considered with other echo findings and your medical history because normal values vary with age, heart rate, breathing, and heart conditions.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy