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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Assessment of the Cardiovascular System II: Inspection01:29

Assessment of the Cardiovascular System II: Inspection

802
Inspection is the initial step in assessing the cardiovascular system. It involves a detailed visual examination that provides crucial information about a patient's circulatory and cardiac health. This systematic process, conducted from head to toe, helps identify signs of cardiovascular conditions by observing physical appearance, skin and mucous membranes, jugular and carotid pulsations, chest symmetry, and the condition of the extremities.
Head and Neck
802
Assessment of the Cardiovascular System IV: Auscultation01:25

Assessment of the Cardiovascular System IV: Auscultation

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Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
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Assessment of the Cardiovascular System I: Subjective Data01:23

Assessment of the Cardiovascular System I: Subjective Data

764
A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
764
Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

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Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
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Related Experiment Video

Updated: Jan 21, 2026

Minimal Invasive Resection of Large Retrosternal Thyroid Goiter
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Assessing Retrosternal Adhesions Using Preoperative CT to Predict Cardiovascular Injury During Sternotomy.

André Vaz1, Ludmila Mintzu Young, Marcelo Biscegli Jatene

  • 1Department of Cardiovascular Radiology, InCor, São Paulo, SP, Brazil.

Journal of Thoracic Imaging
|January 19, 2026
PubMed
Summary
This summary is machine-generated.

Preoperative CT scans can predict cardiovascular injuries during sternotomy. New scores, CAST and ARCA, identify high-risk patients for better surgical planning and outcomes.

Keywords:
computed tomographyintraoperative complicationssternotomysurgery-induced tissue adhesion

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Area of Science:

  • Cardiovascular Surgery
  • Radiology
  • Medical Imaging

Background:

  • Intraoperative cardiovascular injury during sternotomy poses significant risks.
  • Identifying patients at high risk is crucial for surgical planning.

Purpose of the Study:

  • To identify preoperative CT findings associated with retrosternal adherence-related intraoperative cardiovascular injury.
  • To develop predictive scores for guiding surgical planning.

Main Methods:

  • Retrospective study of 429 patients undergoing CT within 30 days of sternotomy (2019-2023).
  • CT image review for retrosternal adherence patterns (distance, contact, adherence) and location (segment or organ).
  • Logistic regression to identify predictors and develop CAST and ARCA scores.

Main Results:

  • 105 patients (24%) experienced cardiovascular injuries.
  • Significant predictors included middle third adherence, calcification, and age (segment approach).
  • Aortic/right atrial adherence, calcification, and age were significant (organ-specific approach).
  • CAST (Calcification, Age, Sternal Thirds) and ARCA (Aorta, Right Atrium, Calcification, Age) scores were derived.

Conclusions:

  • Preoperative CT effectively identifies patients at high risk for intraoperative cardiovascular injury.
  • The CAST and ARCA scores provide a reliable CT-based risk assessment.
  • These scores can enhance surgical planning and preemptive interventions for improved outcomes in high-risk cardiac reoperations.