Related Experiment Video
Updated: Aug 17, 2026

Ferric Chloride-induced Thrombosis Mouse Model on Carotid Artery and Mesentery Vessel
Published on: June 29, 2015
[The best in 2000 on thrombosis]
1CHU de Nice, service de cardiologie, 30, avenue de la Vole-Romaine, 06002 Nice.
Insights
New cardiology guidelines streamline chest pain evaluation, favoring shorter stays and subcutaneous low-molecular-weight heparin over continuous intravenous heparin for unstable angina. Risk stratification uses biomarkers for early intervention.
Area of Science:
- Cardiology
- Clinical Practice Guidelines
- Emergency Medicine
Context:
- Rapid advancements in cardiology necessitate updated clinical practice guidelines.
- Chest pain units (CPUs) are evolving to manage suspected coronary artery disease more efficiently.
- New data impacts the management of unstable angina and pulmonary embolism.
Purpose:
- To summarize recent changes in cardiology practice, focusing on chest pain evaluation and treatment protocols.
- To highlight the shift towards risk stratification using biomarkers and earlier invasive strategies.
- To inform clinicians about updated management of unstable angina and pulmonary embolism.
Summary:
- Over half of suspected coronary chest pain cases may only require a short stay in a chest pain unit, with discharge or outpatient referral guided by history, symptoms, Bayesian analysis, ECG, troponin, and clinical experience.
- Unstable angina management is transitioning from continuous intravenous unfractionated heparin to subcutaneous low-molecular-weight heparin (LMWH), with continued use of anti-GPIIB-IIIA agents and early consideration for coronary angiography.
- Risk stratification for coronary recurrence may utilize biological markers within hours of presentation. ST-elevation myocardial infarction protocols may involve half-dose thrombolysis with anti-GPIIB-IIIA. Pulmonary embolism diagnosis may involve d-dimer testing followed by scintigraphy or CT, with LMWH potentially replacing continuous heparin infusion.
Impact:
- Implementation of these guidelines can lead to more efficient patient flow in chest pain units and reduced hospital stays.
- Earlier risk stratification and intervention for unstable angina may improve patient outcomes.
- Standardizing pulmonary embolism diagnosis and treatment with LMWH can enhance patient care and safety.
Abstract:
It is nearly impossible to follow and integrate all the new information in each subspeciality of cardiology. In the last months, important data has been published which may change clinical practice. In this domain, over half the cases of suspected coronary chest pain would only require a very short stay in a chest pain unit. The history, an accurate evaluation of symptoms, the application of Bayesian analysis, ECG interpretation and serum troponine measurement, associated with a degree of clinical experience, will allow orientation of the patient to a coronary care unit or hospital discharge (with possible out-patient referral). Patients with true unstable angina will no longer be treated by continuous intravenous injection of non-fractionated heparin because, in theory and in practice, this has been replaced with subcutaneous LMW heparin.... On the other hand, the electric syringe will continue to be required for the integration of the anti-GPIIB-IIIA for the treatment of unstable angina after the recommendations published concomitantly in the United States and Europe. This type of patient, especially with a "positive" troponine, will probably not be kept waiting long before referral to the catheter laboratory for coronary angiography and revascularisation. The long-term results of the FRISC II trial are confirmed by an even earlier invasive approach (Tactics-Timi 18) using anti-GPIIb-IIIa. In the first hours, and independently of other older prognostic factors, it will be possible to "predict or compare" the risk of coronary recurrence based on the results of certain biological "markers". In many centres, cases with ST elevation on the ECG could well be included in a phase III "medical protocol", associating a half-dose thrombolytic and an anti-GPIIb-IIIa. Finally, patients who will have been admitted to the chest pain unit with a suspected pulmonary embolism, for example because they had not been treated prophylactically with aspirin before hip surgery, will probably have the choice, after d-dimer measurement, between pulmonary scintigraphy and helicoidal CT scan. If the diagnosis of pulmonary embolism is confirmed, a single subcutaneous injection of LMW heparin could replace the conventional continuous intravenous injection of heparin. The earliest possible oral anticancer ... pardon me I anticoagulant treatment should be prescribed and explained.
Related Concept Videos
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Clot Retraction and Fibrinolysis
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Venous Thrombosis I: Introduction
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
Venous Thrombosis III: Interprofessional Care

