Related Experiment Video
Updated: Jan 17, 2026
05:31
Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
Published on: September 20, 2020
6.1K
Endovascularly Treatable Causes of Hemoptysis: Guide for Emergency Radiologists
Juan D de la Morena Molina1, Áurea Díez Tascón1, Claudia Jimena González Nieto1
1Department of Radiology, Hospital Universitario La Paz, Paseo de la Castellana 261, Fuencarral-El Pardo, 28046 Madrid, Spain.
Summary
Emergency department patients with hemoptysis require prompt evaluation for life-threatening conditions. CT angiography is crucial for identifying treatable vascular causes of bleeding amenable to endovascular therapy.
Area of Science:
- Radiology
- Vascular Imaging
- Emergency Medicine
Background:
- Hemoptysis necessitates rapid identification of life-threatening conditions.
- Endovascular therapy is the standard for acute bleeding management.
- Identifying treatable vascular causes of hemoptysis is a key challenge.
Purpose of the Study:
- To review imaging features of hemoptysis causes treatable with endovascular therapy.
- To propose a structured reporting approach for emergency radiologists.
- To aid in accurate patient selection for endovascular intervention.
Main Methods:
- Review of imaging features of various conditions associated with hemoptysis.
- Focus on conditions amenable to endovascular treatment.
- Utilizing CT angiography for comprehensive vascular mapping.
Main Results:
- CT angiography evaluates bronchial, nonbronchial systemic, and pulmonary arteries.
- Identified conditions include artery hypertrophy, aneurysms, fistulas, and malformations.
- A structured reporting approach aids lesion characterization.
Conclusions:
- CT angiography is the preferred diagnostic modality for hemoptysis.
- Accurate identification of vascular lesions is vital for endovascular treatment planning.
- Structured reporting enhances emergency radiologists' diagnostic capabilities.
Related Concept Videos
01:29Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
328
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...
328
01:29Venous Thrombosis III: Interprofessional Care
280
Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
280
01:28Esophageal Varices-II: Clinical Features and Management
374
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
374
01:27Pulmonary Embolism III: Nursing Management
363
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...
363
01:18Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
441
Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
441
01:29Pulmonary Embolism I: Introduction
516
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...
516