Brief Communication Direct Detection of Free Radicals in the
... species such as superoxide or hydroxyl free radicals are generated. The most probable sources of these oxygen radicals are the xanthine oxidase pathway, the electron transport chain and catecholamine oxidation. Leukocytes are unlikely to represent a significant source since there are virtually no wh ...
... species such as superoxide or hydroxyl free radicals are generated. The most probable sources of these oxygen radicals are the xanthine oxidase pathway, the electron transport chain and catecholamine oxidation. Leukocytes are unlikely to represent a significant source since there are virtually no wh ...
The role of radionuclide myocardial perfusion imaging
... There are two schools of thought regarding imaging risk assessment following the use of a clinical risk score, such as the FRS. Many have advocated the use of imaging in those with a high FRS to assess ischemic risk, and there have been numerous examples of the utility of this application in the ass ...
... There are two schools of thought regarding imaging risk assessment following the use of a clinical risk score, such as the FRS. Many have advocated the use of imaging in those with a high FRS to assess ischemic risk, and there have been numerous examples of the utility of this application in the ass ...
Posterior Descending Artery Arising as A Continuation of
... part of the interventricular septum is supplied by the posterior descending artery (PDA) whose variable origin is reflected by the concept of coronary dominance. The posterior descending artery can arise from right coronary artery (RCA) in a pattern of right dominance (85% of patients) and co-domina ...
... part of the interventricular septum is supplied by the posterior descending artery (PDA) whose variable origin is reflected by the concept of coronary dominance. The posterior descending artery can arise from right coronary artery (RCA) in a pattern of right dominance (85% of patients) and co-domina ...
Facilitated Percutaneous Coronary Intervention in STEMI Patients
... co-medication was not shown to offer a benefit over primary PCI with respect to infarct size and tissue perfusion in STEMI patients presenting early after symptom onset with relatively long transfer times.7 ...
... co-medication was not shown to offer a benefit over primary PCI with respect to infarct size and tissue perfusion in STEMI patients presenting early after symptom onset with relatively long transfer times.7 ...
Increase of QRS Duration as a Predictor of Impending Ventricular
... myocardial infarction model, previously reported in [14]. The first phase, named Ia phase, occurs from 2 to 10 minutes after the onset of ischemia, whereas the second phase, or Ib phase, appears after an arrhythmia-free interval, between 12 and 30 minutes. Since Ia and Ib phases suggest different me ...
... myocardial infarction model, previously reported in [14]. The first phase, named Ia phase, occurs from 2 to 10 minutes after the onset of ischemia, whereas the second phase, or Ib phase, appears after an arrhythmia-free interval, between 12 and 30 minutes. Since Ia and Ib phases suggest different me ...
- European Medical Journal
... a concurrent CTO in a non-IRA in STEMI patients raises the obvious question of whether revascularisation of these CTOs after primary PCI may lead to improved outcomes. Theoretically, this may promote healing at the infarct border zones, improve regional myocardial function, result in less pronounced ...
... a concurrent CTO in a non-IRA in STEMI patients raises the obvious question of whether revascularisation of these CTOs after primary PCI may lead to improved outcomes. Theoretically, this may promote healing at the infarct border zones, improve regional myocardial function, result in less pronounced ...
anomalous left coronary artery arising from pulmonary - Heart
... the adequacy of perfusion adversely is the desaturation of the pulmonary arterial blood. Presumably about 80 per cent of subjects with this anomaly, after a normal neonatal period, reach a point where perfusion of the left coronary artery vascular bed is so poor that symptoms and signs of myocardial ...
... the adequacy of perfusion adversely is the desaturation of the pulmonary arterial blood. Presumably about 80 per cent of subjects with this anomaly, after a normal neonatal period, reach a point where perfusion of the left coronary artery vascular bed is so poor that symptoms and signs of myocardial ...
Left and Codominant Coronary Artery Circulations Are Associated
... Furthermore, it is possible that left and codominance may represent less well-balanced circulation with more myocardium at risk. This may be particularly true in patients with acute coronary syndrome (ACS) because of culprit lesions in the LCX and left main (LM) territories with either left-dominant ...
... Furthermore, it is possible that left and codominance may represent less well-balanced circulation with more myocardium at risk. This may be particularly true in patients with acute coronary syndrome (ACS) because of culprit lesions in the LCX and left main (LM) territories with either left-dominant ...
Full Text - Medical Physiology Online
... normally regulated – “Cannon’s Law” [5]. As Cannon’s law applies particularly to heart rate and contractility effects [6, 11], it is not easy to study whether it also applies to coronary vascular responses as these are concomitantly affected by changes in heart rate and myocardial contractility. Add ...
... normally regulated – “Cannon’s Law” [5]. As Cannon’s law applies particularly to heart rate and contractility effects [6, 11], it is not easy to study whether it also applies to coronary vascular responses as these are concomitantly affected by changes in heart rate and myocardial contractility. Add ...
Mitral annular calcification: a marker of severe coronary artery
... atherosclerosis.8 Later, Khoury and colleagues correlated the presence of aortic plaques and coronary artery disease.9 Boon and colleagues found an association of both mitral annular calcification and aortic valve calcification with age and vascular risk factors.10 Age, female sex, hypertension, dia ...
... atherosclerosis.8 Later, Khoury and colleagues correlated the presence of aortic plaques and coronary artery disease.9 Boon and colleagues found an association of both mitral annular calcification and aortic valve calcification with age and vascular risk factors.10 Age, female sex, hypertension, dia ...
Understanding Coronary Circulation and its Variations
... tract; RV = right ventricle; LV = left ventricle; Pulm Valve = pulmonary valve; LCX = left circumflex artery.] ...
... tract; RV = right ventricle; LV = left ventricle; Pulm Valve = pulmonary valve; LCX = left circumflex artery.] ...
cardiology
... reaches 85–90% of age-predicted heart rate (220–age) ISCHEMIA CRITERIA—1 mm horizontal or downsloping ST # over multiple leads, or ST " ! myocardial ischemia (sens 68%, spc 77%) ! proceed to angiogram INCONCLUSIVE—premature termination due to chest pain/poor exercise tolerance ! proceed to phar ...
... reaches 85–90% of age-predicted heart rate (220–age) ISCHEMIA CRITERIA—1 mm horizontal or downsloping ST # over multiple leads, or ST " ! myocardial ischemia (sens 68%, spc 77%) ! proceed to angiogram INCONCLUSIVE—premature termination due to chest pain/poor exercise tolerance ! proceed to phar ...
Unilateral and Multilateral Congenital Coronary-Pulmonary
... fistulating into a cardiac chamber and coronary arteryventricular multiple microfistulas (MMFs) terminating with plural small vessels mainly into the lumen of the LV > RV. Coronary-vascular fistulas (CVFs) are fistulas that terminate into a thoracic vascular structure (pulmonary artery [PA], coronar ...
... fistulating into a cardiac chamber and coronary arteryventricular multiple microfistulas (MMFs) terminating with plural small vessels mainly into the lumen of the LV > RV. Coronary-vascular fistulas (CVFs) are fistulas that terminate into a thoracic vascular structure (pulmonary artery [PA], coronar ...
Salvage of ischemic myocardium by prostacyclin during
... effect. In the study of Araki and Lefer (5), ischemic myocardial injury was diminished in the isolated cat heart perFrom the Department of Medicine. Division of Cardiology. The Johns Hopkins University School of Medicine, Baltimore, Maryland This study was supported by the Ischemic Heart Disease SCO ...
... effect. In the study of Araki and Lefer (5), ischemic myocardial injury was diminished in the isolated cat heart perFrom the Department of Medicine. Division of Cardiology. The Johns Hopkins University School of Medicine, Baltimore, Maryland This study was supported by the Ischemic Heart Disease SCO ...
Core Curriculum Coronary Artery Fistulas
... nates or young infants with a large fistula. The neonatal symptoms from a large left-to-right shunt are often controllable with typical medical management and an initial trial of medications is indicated in very young patients. Those who do not respond to medical management need intervention in infan ...
... nates or young infants with a large fistula. The neonatal symptoms from a large left-to-right shunt are often controllable with typical medical management and an initial trial of medications is indicated in very young patients. Those who do not respond to medical management need intervention in infan ...
Heart Health - UAW Retiree Medical Benefits Trust
... • You are a man aged 45 years or older or a woman aged 55 years or older. • Race. African Americans have a higher risk than Caucasians. ...
... • You are a man aged 45 years or older or a woman aged 55 years or older. • Race. African Americans have a higher risk than Caucasians. ...
Anastomoses Between Bronchial and Coronary Circulation in a
... the pedicled mammary artery or an aortic button, as occurs in lung transplantation cases.21,22 Moreover, in similar cases, but without ischaemic heart disease, it seems that the coronary arteries can contribute to the bronchial circulation because of the reverse distribution. We also highlight the i ...
... the pedicled mammary artery or an aortic button, as occurs in lung transplantation cases.21,22 Moreover, in similar cases, but without ischaemic heart disease, it seems that the coronary arteries can contribute to the bronchial circulation because of the reverse distribution. We also highlight the i ...
“W-shaped” volume curve with gated myocardial perfusion single
... considered to be indicated by p < 0.05. Analyses were performed using SPSS for Windows (version 10, SPSS Inc., Chicago, Illinois). RESULTS Case 1 A 54-year-old man who had no risk factors for coronary artery disease and no history of heart disease was referred for myocardial perfusion imaging becaus ...
... considered to be indicated by p < 0.05. Analyses were performed using SPSS for Windows (version 10, SPSS Inc., Chicago, Illinois). RESULTS Case 1 A 54-year-old man who had no risk factors for coronary artery disease and no history of heart disease was referred for myocardial perfusion imaging becaus ...
Delayed Presentation of Ventricular Septal Rupture – A Case Report Case Reports
... Without reperfusion therapy VSR usually occurs in the first week. 3,5, 8,9,10 The median time from the onset of symptoms of AMI to rupture is generally 24 hours or less in patients who are receiving thrombolysis.22 ...
... Without reperfusion therapy VSR usually occurs in the first week. 3,5, 8,9,10 The median time from the onset of symptoms of AMI to rupture is generally 24 hours or less in patients who are receiving thrombolysis.22 ...
Anatomy of the Heart
... by a single layer of mesothelial cells. There are two components: the visceral and parietal pericardium. The visceral pericardium covers the epicardium of the heart, and the parietal pericardium forms the outer layer. The superior extent of the pericardial cavity representing the transition of visce ...
... by a single layer of mesothelial cells. There are two components: the visceral and parietal pericardium. The visceral pericardium covers the epicardium of the heart, and the parietal pericardium forms the outer layer. The superior extent of the pericardial cavity representing the transition of visce ...
Does increased troponin-T in patients undergoing percutaneous
... (PTCA) in 52 patienrs. After PTCA, 35 palients (67.3%ù showed elevated TnT. Except in one patient who developed heartfailure, the other patients-had uneventful clinical course. l[/e conclude that PTCA might induce minor myocardial injury, which is no! associated with immediate adverse outcomes. The ...
... (PTCA) in 52 patienrs. After PTCA, 35 palients (67.3%ù showed elevated TnT. Except in one patient who developed heartfailure, the other patients-had uneventful clinical course. l[/e conclude that PTCA might induce minor myocardial injury, which is no! associated with immediate adverse outcomes. The ...
Telemedicine for Post-Myocardial Infarction Patients - Tel
... of the responsibility of interpreting what could or could not be cardiac symptoms and in deciding whether they require urgent medical intervention: The only thing they must do is make one telephone call to the medical call center, which operates around the clock. “SHL” Telemedicine subscribers have ...
... of the responsibility of interpreting what could or could not be cardiac symptoms and in deciding whether they require urgent medical intervention: The only thing they must do is make one telephone call to the medical call center, which operates around the clock. “SHL” Telemedicine subscribers have ...
Roles of Nuclear Cardiology, Cardiac Computed Tomography, and
... has been recently summarized in ACC/AHA/ASNC (American College of Cardiology/American Heart Association/ American Society of Nuclear Cardiology) guidelines (4). In general, cardiac mortality is considered, with low risk , 1%, high risk . 3%, and intermediate risk 1%23% (5). In chronic CAD, it has be ...
... has been recently summarized in ACC/AHA/ASNC (American College of Cardiology/American Heart Association/ American Society of Nuclear Cardiology) guidelines (4). In general, cardiac mortality is considered, with low risk , 1%, high risk . 3%, and intermediate risk 1%23% (5). In chronic CAD, it has be ...