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Related Concept Videos

Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
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Assessment of the Abdomen II: Percussion01:18

Assessment of the Abdomen II: Percussion

Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
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Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
Physical Assessment of the Respiratory Tract III: Percussion01:29

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The respiratory system, fundamental to life, consists of complex structures responsible for gas exchange. The percussion assessment is critical to understanding this system's health and functionality. This non-invasive assessment technique allows healthcare providers to evaluate the density or aeration of the lungs, thereby identifying potential abnormalities.
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Related Experiment Video

Updated: May 21, 2026

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling
15:11

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Postoperative sternal stability assessed by vibration: a preliminary study.

Juha Hautalahti1, Nikolai Beev, Jari Hyttinen

  • 1Department of Cardiothoracic Surgery, Heart Center Co, Tampere University Hospital, Tampere, Finland. juha.hautalahti@sydankeskus.fi

The Annals of Thoracic Surgery
|June 28, 2012
PubMed
Summary

Vibration analysis offers a novel way to assess sternal healing after cardiac surgery. A specific index showed significant changes, indicating its potential for monitoring bone recovery post-sternotomy.

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Area of Science:

  • Biomedical Engineering
  • Orthopedics
  • Cardiovascular Surgery

Background:

  • Sternotomy is a common procedure in cardiac surgery.
  • Assessing mechanical sternal stability post-surgery is crucial for patient recovery.
  • Current methods for evaluating sternal healing can be limited.

Purpose of the Study:

  • To evaluate the mechanical stability of the postoperative sternum.
  • To introduce a novel analysis method based on vibration response.
  • To identify vibration-based factors reflecting sternal healing after sternotomy.

Main Methods:

  • Studied vibration response (50 Hz–1,500 Hz) in 22 cardiac surgery patients.
  • Used accelerometers to record sternal vibration data.
  • Estimated the mechanical transfer function and extracted descriptive factors.

Main Results:

  • Complete datasets were obtained from 14 patients.
  • The P(600-1500) index, reflecting transmittance between 600-1500 Hz, was most informative.
  • This index decreased post-surgery and showed a reverse trend during healing.

Conclusions:

  • Vibration measurement effectively detected significant changes in the sternum.
  • The observed changes correlate with sternotomy and subsequent healing processes.
  • Vibration analysis shows promise for monitoring sternal recovery.