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Related Concept Videos

Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

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Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
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Cardiac Catheterization I: Pre-Procedure Overview01:28

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Aneurysm IV: Nursing Management01:22

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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Coronary Artery Disease V: Interprofessional Care01:27

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Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Related Experiment Video

Updated: Dec 20, 2025

Creation of Patient-Specific Silicone Cardiac Models with Applications in Pre-surgical Plans and Hands-on Training
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Preoperative Planning for Structural Heart Disease.

Michael R Harowicz1, Amar Shah2, Stefan L Zimmerman3

  • 1Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Johns Hopkins Hospital, 601 North Caroline Street, Room 4223, Baltimore, MD 21287, USA.

Radiologic Clinics of North America
|May 31, 2020
PubMed
Summary
This summary is machine-generated.

Computed tomography (CT) is crucial for planning transcatheter structural heart interventions. Accurate CT imaging guides device selection, sizing, and access, optimizing patient outcomes.

Keywords:
LAA occlusionStructural heart diseaseTAVRTMVR

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Area of Science:

  • Cardiovascular Imaging
  • Interventional Cardiology
  • Radiology

Background:

  • Preoperative assessment is vital for structural heart interventions.
  • Computed tomography (CT) offers key insights for procedural planning.

Purpose of the Study:

  • To highlight the importance of CT in preoperative assessment for transcatheter structural heart interventions.
  • To outline the essential role of radiologists in providing critical imaging data.

Main Methods:

  • Utilizing computed tomography (CT) for detailed anatomical and vascular evaluation.
  • Performing precise measurements for device selection and sizing.
  • Assessing vascular access routes for interventional procedures.

Main Results:

  • CT is the preferred imaging modality for transcatheter aortic valve replacement and left atrial appendage occlusion.
  • CT provides essential data for device selection, sizing, and vascular access planning.
  • Radiologist expertise in CT protocols and measurements is crucial for interventional success.

Conclusions:

  • Computed tomography is indispensable for the preoperative planning of transcatheter structural heart interventions.
  • Radiologists play a critical role in supporting interventionalists through expert CT interpretation.
  • CT facilitates optimal device selection, sizing, and procedural strategy for improved patient care.