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Related Concept Videos

Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

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Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

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A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
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Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

29
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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Left ventricular systolic dysfunction during acute pulmonary embolism.

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  • 1Department of Surgery, University of Maryland, Baltimore, MD, USA.

Thrombosis Research
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PubMed
Summary

Acute pulmonary embolism (PE) can cause left ventricular (LV) systolic dysfunction, even in individuals without prior heart conditions. This dysfunction may improve over time, particularly in those without a cardiac history.

Keywords:
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Area of Science:

  • Cardiology
  • Pulmonology
  • Critical Care Medicine

Background:

  • Acute pulmonary embolism (PE) is linked to increased mortality, often due to heart failure.
  • The specific role and impact of the left ventricle (LV) in acute PE remain incompletely understood.

Purpose of the Study:

  • To determine the prevalence of LV systolic dysfunction in acute PE patients.
  • To analyze LV morphology and prognosis during acute PE.
  • To investigate factors associated with LV dysfunction in acute PE.

Main Methods:

  • A retrospective study was conducted over 26 months at the University of Maryland.
  • Patients diagnosed with acute PE and presenting with LV systolic dysfunction were identified.
  • Data on patient demographics, cardiac history, CT findings, and echocardiograms were analyzed.

Main Results:

  • Of 769 acute PE patients, 10.5% exhibited LV systolic dysfunction.
  • Patients without a cardiac history were younger, had higher BMIs, and less hypertension.
  • Right ventricular strain was more common in patients without cardiac history; LV function improved in this group upon follow-up echocardiography.

Conclusions:

  • Acute pulmonary embolism is associated with left ventricular systolic dysfunction, even in patients without a prior cardiac disease history.
  • LV systolic dysfunction in acute PE may show improvement, particularly in patients without a history of cardiac disease.
  • Further research is needed to fully elucidate the LV's role and long-term prognosis in acute PE.