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Related Concept Videos

Taping Over Different Ground Profiles01:12

Taping Over Different Ground Profiles

Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...

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Related Experiment Video

Updated: May 17, 2026

Translational Rabbit Model of Chronic Cardiac Pacing
06:14

Translational Rabbit Model of Chronic Cardiac Pacing

Published on: January 6, 2023

Tracking the path traversed by temporary pacing lead.

Aditya Kapoor1, Nagaraja Moorthy, Roopali Khanna

  • 1Department of Cardiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India. akapoor65@gmail.com

Indian Heart Journal
|October 30, 2012
PubMed
Summary
This summary is machine-generated.

Persistent left superior vena cava (PLSVC) presents unique challenges for pacemaker lead placement. A rare case demonstrated effective pacing in the right ventricle, right atrium, and left ventricle via a temporary lead in the PLSVC.

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Area of Science:

  • Cardiology
  • Embryology
  • Medical Imaging

Background:

  • Persistent left superior vena cava (PLSVC) arises from abnormal fetal sinus venosus development.
  • Pacemaker lead implantation in PLSVC cases is technically demanding, requiring specialized techniques.

Observation:

  • A temporary pacemaker lead entered the PLSVC, exhibiting an unusual fluoroscopic trajectory.
  • Demonstrable pacing was achieved in the right ventricle (RV), right atrium (RA), and left ventricle (LV).

Findings:

  • The case highlights an atypical radiographic and electrocardiographic pattern during pacing in anomalous venous drainage.
  • Successful pacing across multiple cardiac chambers was achieved despite lead placement challenges.

Implications:

  • Interventional cardiologists and intensivists must recognize these rare patterns in PLSVC patients.
  • Awareness of such presentations can guide pacing strategies in complex congenital venous anomalies.