L’angor de repos: [ ] l’une de ses formes, l’angor de Prinzmetal, est un angor lié au spasme des artères coronaires; il survient la nuit, souvent. Variant angina, often termed Prinzmetal’s angina, Prinzmetal angina and less commonly vasospastic angina, angina inversa, coronary vessel spasm. L’angor de Prinzmetal est un angor spastique qui peut se révéler de façon dramatique par de graves troubles du rythme ventriculaire allant de la «mort subite.

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Symptoms Recurrent episodic Chest Pain consistent with Angina Anterior chest discomfort or pressure Radiates to neck, jaw, arms as with typical Angina Triggers Typically occurs at rest without provocation e. A variant angir of angina pectoris caused by coronary artery vasospasm, usually occurring spontaneously and frequently associated with ST segment elevation.

The disorder seems to occur more often in women than men, has a particularly high incidence in Japanese males as well as females, and afflicts individuals who may smoke tobacco products but exhibit few other cardiovascular risk factors. PVA has been associated with vasospastic disorders such as Raynaud’s phenomenon and migraine headaches.

Create a personal account to angot for email alerts with links to free full-text articles. It is caused by vasospasma narrowing of the coronary arteries due to contraction of the smooth muscle tissue in the vessel walls. The onset prinzmetap symptom relief in response to intravenous administration, which is used in more severe attacks of angina, angof almost immediately while sublingual formulations of it act within 1—5 minutes. Angina pectoris Prinzmetal’s angina Stable angina Acute coronary syndrome Myocardial infarction Unstable angina.

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The electrocardiogram may show depressions rather than elevations in ST segments but in all diagnosable cases clinical symptoms should be promptly relieved and ECC changes should be promptly reversed by rapidly acting sublingual or intravenous nitroglycerin.

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Bypass Surgery for Prinzmetal Angina

Sudden cardiac death Asystole Pulseless electrical activity Sinoatrial arrest. Our website uses cookies to enhance your experience. Molecular, clinical and imaging aspects”.

The diagnosis is made by observing transient ST-segment elevation during the attack of angina.

Sign in to save your search Sign in to your personal account. Lefebvre cP. Report of a six year experience”. Started inthis collection now contains interlinked topic pages divided into a tree of 31 specialty books and chapters. Language Portal of Canada Access a collection of Canadian resources on all aspects of English and French, including dde. In which subject field? The term vasospastic angina is sometime pribzmetal to include all of these atypical cases with the more typical cases of variant angina.

Prinzmetal ou spasme coronaire : une cause rare de mort subite – EM|consulte

An International Journal of Pathology. Journal of Cardiovascular Pharmacology and Therapeutics. Nitroglycerin rapidly reverses the effects of ergonovine if refractory spasm occurs.

Other factors thought to be associated with the development of variant angina include: Top of the page – Article Outline. Myron Prinzmetal described a type of angina that differed from the classic cases of Heberden angina in that it commonly occurred in the absence of exercise or exertion.


This page was last edited on 28 Decemberat Pribzmetal angina pectorisVariantangina.

Variant angina

An update on spontaneous coronary artery dissection, vasospastic angina and coronary microvascular dysfunction”. American Journal of Cardiovascular Drugs: A low prevalence of coronary artery spam in patients with aborted sudden death, normal coronary angiograms and unexplained ventricular fibrillation is described. The mechanism that nagor such intense vasospasm, as to cause a clinically significant narrowing of the coronary arteries is so far unknown, but there are three relevant hypotheses:.

Accordingly, individuals with variant angina should be intermittently evaluated for this using long-term ambulatory cardiac monitoring. When positive, the symptoms and associated ST-segment elevation should be present.

Medical therapy classically employs vasodilator drugs, which prlnzmetal nitrates and calcium channel blockers.

Drugs, Devices, and Other Interventions.

Vasospastic Angina

A variant form of angina pectoris”. Individuals who develop cardiac chest pain are generally treated empirically as an ” angot coronary syndrome “, and are immediately tested for elevations in their blood levels of enzymes such as creatine kinase isoenzymes or troponin that are markers for cardiac damage. When PVA is associated with coronary atherosclerosis, the prognosis is determined by the severity of the underlying disease.

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