PubMed Journals Articles About "Stress Challenge Myocardial Infarction" RSS

13:09 EST 19th January 2020 | BioPortfolio

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Showing "Stress Challenge Myocardial Infarction" PubMed Articles 1–25 of 12,000+

A case report of dipyridamole stress-induced ST depression progressing to ST-elevation myocardial infarction despite intravenous aminophylline: steal, spasm, or something else?

Dipyridamole stress is commonly used for myocardial perfusion imaging and is generally safe. Myocardial ischaemia can occasionally occur and is classically thought to be due to coronary steal as a result of redistribution of flow away from collateral dependent myocardium. Although ischaemia more commonly presents as electrocardiographic (ECG) ST depression and angina, ST-elevation myocardial infarction may occur as a very rare complication.

Multi-branch fusion network for Myocardial infarction screening from 12-lead ECG images.

Myocardial infarction (MI) is a myocardial anoxic incapacitation caused by severe cardiovascular obstruction that can cause irreversible injury or even death. In medical field, the electrocardiogram (ECG) is a common and effective way to diagnose myocardial infarction, which often requires a wealth of medical knowledge. It is necessary to develop an approach that can detect the MI automatically.

Comparison of QT interval variability of coronary patients without myocardial infarction with that of patients with old myocardial infarction.

The significant association of myocardial ischemia with elevated QT interval variability (QTV) has been reported in myocardial infarction (MI) patients. However, the influence of the time course of MI on QTV has not been investigated systematically.

New-Onset Atrial Fibrillation in St-Segment Elevation Myocardial Infarction: Predictors and Impact on Therapy And Mortality.

New-onset atrial fibrillation complicating acute myocardial infarction represents an important challenge, with prognostic significance.

Variation and Disparities in Awareness of Myocardial Infarction Symptoms Among Adults in the United States.

Prompt recognition of myocardial infarction symptoms is critical for timely access to lifesaving emergency cardiac care. However, patients with myocardial infarction continue to have a delayed presentation to the hospital.

Andrographolide Protects Against Adverse Cardiac Remodeling After Myocardial Infarction through Enhancing Nrf2 Signaling Pathway.

Adverse cardiac remodeling after myocardial infarction (MI) is associated with extremely high mortality rates worldwide. Although optimized medical therapy, Preservation of lusitropic and inotropic function and protection against adverse remodeling in ventricular structure remain relatively frequent. This study demonstrated that Andrographolide (Andr) significantly ameliorated adverse cardiac remodeling induced by myocardial infarction and improves contractile function in mice with LAD ligation compared wit...

Prognostic value of ST2 in myocardial infarction.

Soluble Suppression of Tumorigenicity 2 (ST2) is a biomarker of myocardial fibrosis increasingly recognized as a predictor of morbidity and mortality in heart failure. Its role in the prognosis after a myocardial infarction has not been validated to date.

Application of High-Sensitivity Troponin in Suspected Myocardial Infarction.

Data regarding high-sensitivity troponin concentrations in patients presenting to the emergency department with symptoms suggestive of myocardial infarction may be useful in determining the probability of myocardial infarction and subsequent 30-day outcomes.

A case of repetitive myocardial infarction with unobstructed coronaries due to Churg-Strauss syndrome.

Myocardial infarction is most commonly caused by thrombosis occurring on a background of coronary atherosclerosis, resulting in reduced coronary flow. Less often, myocardial infarction can occur in the absence of coronary disease. The pathomechanism of myocardial infarction in such patients is heterogeneous and more challenging to diagnose and treat. European Society of Cardiology published a position paper on myocardial infarction in patients with non-obstructive coronary disease, with definitions and reco...

Initial Concentrations of miR-1 MicroRNA Precursor and High-Sensitivity Troponin in the Diagnosis of Non-ST Myocardial Infarction among Patients with and Those without Chronic Kidney Disease.

The early diagnosis of non-ST-segment elevation myocardial infarction (NSTEMI) in patients with chronic kidney disease (CKD) remains a challenge.

Low triiodothyronine syndrome and serum selenium status in the course of acute myocardial infarction.

Both glutathione peroxidase and deiodinases are selenoproteins requiring selenium. Oxidative stress accompanying acute myocardial infarction (MI) may lead to activation of peroxidase and relative selenium deficiency. That may impair conversion of tetraiodothyronine (T4) to triiodothyronine (T3).

Xin-Ji-Er-Kang ameliorates kidney injury following myocardial infarction by inhibiting oxidative stress via Nrf2/HO-1 pathway in rats.

Cardiovascular diseases, such as coronary heart disease and myocardial infarction (MI) are currently considered as the leading causes of death and disability. The aim of the present study is to investigate the effects of Xin-Ji-Er-Kang (XJEK) on kidney injury and renal oxidative stress. In addition, the associated mechanism involved in these processes was examined in an MI model, and particularly focused on the nuclear factor erythroid 2-related factor (NRF2)/heme oxygenase-1 (HO-1) pathway.

Risk Factors and Outcomes of Very Young Adults Who Experience Myocardial Infarction: The Partners YOUNG-MI Registry.

Despite significant progress in primary prevention, the rate of myocardial infarction has not declined in young adults. We sought to compare the risk factor profiles and outcomes between individuals who experienced a first myocardial infarction at a very young (age ≤40) and young (40< age ≤50) age.

Obesity is associated with worse long-term outcomes in hypertrophic cardiomyopathy patients with acute myocardial infarction.

Hypertrophic cardiomyopathy is associated with poor prognosis. In our previous study, it has been reported that patients with acute myocardial infarction and hypertrophic cardiomyopathy exhibited worse long-term outcomes than those with acute myocardial infarction without hypertrophic cardiomyopathy and those with hypertrophic cardiomyopathy without acute myocardial infarction. In this article, we aimed to assess the impact of body mass index on the long-term outcomes of hypertrophic cardiomyopathy patients...

The effect of education and telephone follow-up intervention based on the Roy Adaptation Model after myocardial infarction: randomised controlled trial.

Patients' lifestyle changes after myocardial infarction reduce the risk of infarction. Nursing interventions are important for the initiation and maintenance of lifestyle adaptation.

Role of strain imaging for assessment of myocardial viability in symptomatic myocardial infarction with single vessel disease: An observational study.

To study and evaluate the predictive value of strain imaging parameters in patients undergoing viability assessment postmyocardial infarction (MI) in comparison with Dobutamine stress echocardiography (DSE) alone.

Resilience is strongly associated with health-related quality of life but does not buffer work-related stress in employed persons 1 year after acute myocardial infarction.

Resilience may facilitate the adaptation after experiencing a severe disease such as acute myocardial infarction (AMI) and attenuate the negative effects of stress on health-related quality of life (HRQOL). However, it is unclear so far whether resilience moderates a negative association between work-related stress and HRQOL in employed patients after AMI.

Targeting Protein Tyrosine Phosphatase PTP-PEST for Therapeutic Intervention in Acute Myocardial Infarction.

The myocardial ischemia/reperfusion (I/R) injury is almost inevitable since reperfusion is the only established treatment for acute myocardial infarction (AMI). To date there is no effective strategy available for reducing the I/R injury. Our aim was to elucidate the mechanisms underlying myocardial I/R injury and to develop a new strategy for attenuating the damage it causes.

Diagnosis of myocardial infarction at autopsy: AECVP reappraisal in the light of the current clinical classification.

Ischemic heart disease is one of the leading causes of morbidity and death worldwide. Consequently, myocardial infarctions are often encountered in clinical and forensic autopsies, and diagnosis can be challenging, especially in the absence of an acute coronary occlusion. Precise histopathological identification and timing of myocardial infarction in humans often remains uncertain while it can be of crucial importance, especially in a forensic setting when third person involvement or medical responsibilitie...

Patients' knowledge and attitudes about myocardial infarction.

Delay in seeking emergency care contributes significantly to the mortality associated with myocardial infarction. The aims of this descriptive study were to determine Lebanese patients' knowledge, attitudes, and beliefs about heart disease following their hospitalization for acute myocardial infarction, the factors associated, and to investigate the education they receive about heart disease. The study targeted 50 participants diagnosed with myocardial infarction who were interviewed about their knowledge, ...

Value of myocardial scar in predicting malignant ventricular arrhythmia in patients with chronic myocardial infarction.

To assess the predictive value of myocardial scar mass in malignant ventricular arrhythmia (MVA) after myocardial infarction.

An independent observatory in Vendée on ST-elevated acute myocardial infarction (the OVISCA Register). A Departmental evaluation of demographic trends, mortality and delays before treatment.

Mortality from acute myocardial infarction has been falling during the past 30 years. The aim of the study was to evaluate the temporal trends of demographics, mortality rates, and time to treatment in patients admitted for acute ST elevation myocardial infarction (STEMI) in Vendée.

Association of prevalence of active transport to work and incidence of myocardial infarction: A nationwide ecological study.

There is a paucity of population-based geospatial data about the association between active transport and myocardial infarction. We investigated the association between active transport to work and incidence of myocardial infarction.

Pneumococcal Pneumonia Resembling Acute Myocardial Infarction in an Adolescent Male.

Myocarditis is commonly associated with viruses. However, we present a novel case of a teenager with pneumococcal pneumonia and bacteremia complicated by myocarditis and rhabdomyolysis, presenting with features of acute ST-elevation myocardial infarction and cardiogenic shock. Physicians should be aware that Streptococcus pneumoniae infection, like Group A Streptococcus, can mimic acute myocardial infarction in young males without cardiovascular risk factors.

Myocardial infarction and death findings from a 22-year follow-up of a cohort of 980 employed Swedish men.

In this article, we present death and myocardial infarction (MI) incidences over 22 years in relation to possible risk factors and their explanatory value.

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