Notes in 05 Ischemic heart disease

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Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseThe majority of initial plain chest radiographs obtained in patients with acute myocardial infarction (MI) {{c1…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseWhat is the most common CXR abnormality seen in patients with an acute MI? {{c1::Increased pulmonary venous pre…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseThe plain chest radiograph can evaluate for some complications of acute MI such as {{c1::pericardial effusion, …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseSimilar to stress echocardiography and nuclear scintigraphy (discussed earlier in this chapter), {{c1::cardiac …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseIn an acute MI, cardiac Cine MRI demonstrates {{c1::wall motion abnormality::wall physiology}} or {{c1::decreas…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseIn an acute MI, cardiac stress perfusion MRI demonstrates {{c1::regional perfusion deficit}} on {{c2::first-pas…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseasePharmacologic stress cardiac MRI (left image is rest, right is stress)Findings/Dx: {{c1::First-pass c…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseMyocardial viability in an MI can be assessed by delayed contrast-enhanced MRI. Both acute (necrotic) and …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseOn delayed contrast-enhanced cardiac MRI, {{c1::Greater than 50%}} transmural LGE indicates low likelihood of r…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart Disease{{c1::Myocardial edema}} in region of acute infarct demonstrates increased T2 signal and is usually {{c2::large…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseFindings: {{c1::relatively increased T2 hyperintense signal of the anterior and anterolateral segments}}Dx…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseAcute myocardial infarct with {{c1::microvascular obstruction}} appears on delayed contrast-enhanced MRI as are…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseMI associated {{c1::Microvascular obstruction}} is usually seen following reperfusion therapy after {{c2::prolo…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseYellow arrow Findings/Dx: {{c1::diffuse subendocardial late gadolinium enhancement (LGE) involving the ant…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseAcute myocardial ischemia appears on contrast-enhanced CT as wall {{c1::hypoattenuation}} in a coronary artery …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseOn contrast enhanced CT, myocyte death in subacute MI leads to {{c1::decreased wall thickness::wall finding}}.&…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseFindings: {{c1::anterolateral LV wall with curvilinear hypodense signal along the subendocardial layer.&nb…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseAcute complications of MI include cardiogenic shock, pulmonary {{c1::edema}}, arrhythmia, mural {{c2::thrombus}…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseChronic complications of MI include heart failure, {{c1::left ventricular aneurysm}} or {{c1::pseudoaneurysm}},…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart Disease{{c1::Papillary muscle rupture::acute complication}} due to MI typically produces acute pulmonary {{c2::edema}}…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseA classic radiographic finding of {{c3::papillary muscle rupture::complication}} from acute MI is isolated {{c1…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseasePatient with ACS. Findings: {{c1::asymmetric pulmonary edema in the right upper lobe, left pleural ef…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseA true ventricular aneurysm is a focal outpouching affecting {{c1::all}} layers of the muscular wall.
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseTrue LV aneurysms are associated with occlusion of the {{c1::LAD}}. The most common location is along the {{c2:…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseasePlain film findings of {{c1::true LV aneurysm}} s/p MI include an abnormal contour along the midportion of the …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseCT or MRI of {{c1::true LV aneurysm}} s/p MI shows wall {{c2::thinning}}, possible {{c3::calcification}}, …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseXR findings: {{c1::thin curvilinear density along the border of the LV}}
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseCT findings: {{c1::Thin curvilinear density along the border of the LV}}Dx: {{c1::Calcified LV aneury…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseTrue ventricular aneurysms are associated with wall motion {{c1::dyskinesia}} and they {{c2::rarely rupture::ru…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseA {{c1::mural thrombus}} may form over time within a true LV aneurysm due to slow flow
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseFindings: {{c1::ballooning of the LV apex and thinning of the anterior LV wall}}Dx: {{c1::LV ane…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseA cardiac {{c1::pseudoaneurysm}} is a contained ventricular rupture, with {{c2::only pericardial adhesions}} pr…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseWhat contains a cardiac pseudoaneurysm after MI? {{c1::Only pericardial adhesions. There is no myocardium …
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseasePlain film findings suggestive of a {{c1::LV pseudoaneurysm::Chronic MI complication}} include a {{c2::retrocar…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseCT or MRI findings suggestive of a {{c1::LV pseudoaneurysm::Chronic MI complication}} include a {{c2::narrow an…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart DiseaseVentricular pseudoaneurysms may {{c1::rupture}}. An {{c2::increase in size::findings}} over sequential films is…
Published	05/01/2023	Cardiac Imaging: Ischemic Heart Disease{{c1::Dressler syndrome}} is a subacute immune-mediated pericarditis which often occurs {{c2::2–6 weeks}} follo…
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