Patent Ductus Arteriosus 60 | Auscultation Cheat Sheet with Sounds & Video | #109

Here we present an example of patent ductus arteriosus heard at the pulmonic position. Before birth, the two major arteries—the aorta and the pulmonary artery—are connected by a blood vessel called the ductus arteriosus. Shortly after birth the patent ductus closes and turns into a ligament. However, in certain abnormal circumstances the patent ductus remains open allowing blood to flow from the aorta into the pulmonary artery causing a strain on the right ventricle. The first heart sound is normal. The second heart sound is obscured by a continuous crescendo-decrescendo murmur which runs from the beginning of systole to the end of diastole peaking at the second heart sound. In the anatomy video you can see an enlarged left atrium and left ventricle and turbulent blood flow from the aorta to the pulmonary artery through the patent ductus.

Patent Ductus Arteriosus 60 Audio

Patent Ductus Arteriosus 60 auscultation sound from lesson
waveform

Patient Sounds

patient heart or lung sound
Patent Ductus Arteriosus 60 patient recording

Half Speed Patient Sounds

patient heart or lung sound
Patent Ductus Arteriosus 60 half speed

Technique

Patient position
The patient's position should be supine.

Auscultation Tips

Systole:Crescendo-decrescendo murmur, peaking late systole
S2:Obscured
Diastole:Crescendo-decrescendo murmur continuing from systole

Sound Wave



Observe Cardiac Animation

Notice an enlarged left atrium and left ventricle and turbulent blood flow from the aorta to the pulmonary artery through the patent ductus in this cardiac animation.
Authors and Sources

Authors and Reviewers


Sources

  • Electrocardiography for Healthcare Professionals, 6th Edition Kathryn Booth and Thomas O'Brien
    ISBN10: 1265013470, ISBN13: 9781265013479
    McGraw Hill, 2023
  • Rapid Interpretation of EKG's, Sixth Edition
    Dale Dublin
    Cover Publishing Company
  • EKG Reference Guide
    EKG.Academy
  • 12 Lead EKG for Nurses: Simple Steps to Interpret Rhythms, Arrhythmias, Blocks, Hypertrophy, Infarcts, & Cardiac Drugs
    Aaron Reed
    Create Space Independent Publishing
  • Heart Sounds and Murmurs: A Practical Guide with Audio CD-ROM 3rd Edition
    Elsevier-Health Sciences Division
    Barbara A. Erickson, PhD, RN, CCRN
  • The Virtual Cardiac Patient: A Multimedia Guide to Heart Sounds, Murmurs, EKG Jonathan Keroes, David Lieberman
    Publisher: Lippincott Williams & Wilkin)
    ISBN-10: 0781784425; ISBN-13: 978-0781784429
  • Project Semilla, UCLA Emergency Medicine, EKG Training Breena R. Taira, MD, MPH
  • ECG Reference Guide
    PracticalClinicalSkills.com
Return to Reference Guide Index Page
Patent Ductus Arteriosus 60 | Auscultation Cheat Sheet with Sounds & Video | #109




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