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Circulation: Cardiovascular Interventions, Volume 18, Issue 1 , Page e014665, January 1, 2025. BACKGROUND:Bioresorbable scaffolds (BRS) were developed to overcome limitations related to late stent failures of drug-eluting stents, but lumen reductions over time after implantation of BRS have been reported. versus 6.31.5
Circulation, Volume 150, Issue Suppl_1 , Page A4125093-A4125093, November 12, 2024. Types of ACS include stable angina 5.3% (n=8), unstable angina 24% (n=36), NSTEMI 28.7% (n=43), and STEMI 24% (n=36). All patients had interventional PCI with balloon and stent insertion.
Circulation, Volume 150, Issue Suppl_1 , Page A4139995-A4139995, November 12, 2024. Background:Although intracoronary acetylcholine (ACh) provocation testing is a guideline-recommended invasive standard for the diagnosis of vasospastic angina (VSA), ACh tests are largely underused in clinical practice globally. Recently, Rinaldi et al.
Written by Jesse McLaren A 70 year old with prior MIs and stents to LAD and RCA presented to the emergency department with 2 weeks of increasing exertional chest pain radiating to the left arm, associated with nausea. Circulation 2014 2. 1] European guidelines add "regardless of biomarkers". But only 6.4% link] References 1.
Circulation, Volume 150, Issue Suppl_1 , Page A4140682-A4140682, November 12, 2024. After guidewire crossing, balloon angioplasty was performed, and a drug-eluting stent was deployed. Introduction:Dextrocardia is a rare congenital condition where the heart's apex points to the right, with an incidence of about 0.01%.
A stent was placed. All of Wellens' cases in his studies (1, 2) had all of: 1) preserved R-waves 2) resolution of pain 3) restored flow to the anterior wall through either a) an open artery or b) collateral circulation. Lessons: 1. Wellens' syndrome represents a state of reperfusion of the infarct related artery 2. de Zwaan C.,
As hours go by, these T inversions always evolve , [unless 1) there is re-occlusion, in which case they go upright and become hyperacute, with or without additional ST elevation, ("pseudonormalize") or 2) no infarction at all (negative troponin, true unstable angina with dynamic T-waves, in which they may normalize). It was stented.
A middle aged male with no h/o CAD presented with one week of crescendo exertional angina, and had chest pain at the time of the first ECG: Here is the patient's previous ECG: Here is the patient's presenting ED ECG: There is isolated ST depression in precordial leads, deeper in V2 - V4 than in V5 or V6. Circulation 2007;115(10):1306-24.
Troponin elevation is dependent on presence or absence of occlusion (remember many OMI receive a diagnosis of NSTEMI), duration of occlusion (which is dependent on rapidity of therapy or the luck of spontaneous reperfusion), area of myocardium at risk, collateral circulation, and more. The lesion was stented. Circulation.
A middle-aged woman had intermittent angina for 48 hours, then onset of constant, crushing chest pain for 1.5 It was treated with and dual "kissing balloons" and drug eluting stents. Circulation 1993; 88:896-904. Circulation 1995; 91:1659-1668. Circulation 1999; 74:1379-1389. hours when she called 911.
The Impella CP is a catheter-based, axial flow pump that pumps blood directly from the left ventricle into the circulation. The primary endpoint consisted of a composite of all-cause mortality, MI, stroke, coronary revascularization, or hospitalization for unstable angina. It is able to deliver 3.5L/min in the medical therapy group.
Below are 6 anecdotal cases of true complete left main occlusion with no collateral circulation: 3 have STE in aVR 1 has no ST shift in aVR 2 have STD in aVR The ECG can have a variety of presentations in LM Occlusion. Beware crescendo angina in patient with known CAD ST Elevation in aVR Case 7. This was a 100% acute LM occlusion.
I have said before, treating angina with morphine and continuing non-emergent management is like taking the batteries out of an actively alarming smoke detector during a house fire and going back to sleep. Back to the case: Repeat ECG after return of spontaneous circulation is shown. The Queen of Hearts does not diagnose OMI.
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