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Mechanisms of myocardial ischaemia. The most common causes of restrictive cardiomyopathy are amyloidosis and scarring of the heart from an unknown cause (idiopathic myocardial fibrosis ). Traditionally, assessment of myocardial scar/fibrosis has been based on endomyocardial biopsy, with limitations related to the invasive approach and false negative results (e.g., small myocardial sample size) [41,42], yet today cardiac magnetic resonance (CMR) using the late gadolinium enhancement (LGE) technique can accurately identify and quantify ventricular myocardial scar/fibrosis .

Chatterjee et al., pages 1988–1999.. We thank Dr Asatryan and colleagues for their interest and comments regarding our work. We are interested in the way in which the latter form of fibrosis … Myocardial fibrosis is a condition that involves the impairment of the heart's muscle cells called myocytes. The rate of sudden death was 6.0% at two years and 18.3% at five years. The lower it is, the greater the risk.

In performing medicolegal autopsies on sudden deaths, there occur a number of cases in which no cause of death can be found.
However, extensive histological screening may … However suppression of the PVCs with antiarrhythmic drugs increases mortality, owing to the … Interstitial myocardial fibrosis is increasingly recognized as a substrate for arrhythmias and sudden cardiac death (SCD), but has also been described in CHF, HTN, and normal aging. It belongs to a class of diseases collectively known as fibrosis, which denotes hardening or scarring of tissue. These studies … A recent study by Basso et al.

However, death can be attributed to coronary artery disease (CAD) with less stenosis if other signs of chronic myocardial ischemia are apparent (left ventricular hypertrophy [LVH], fibrosis, previous infarct) Sudden cardiac death … Results. 1,2 Coronary artery disease (CAD) is the … The cause of myocardial fibrosis is, in most cases, not known.

Reduced oxygen perfusion leads to; Reduced pH; Raised interstitial potassium ion concentration ; Raised intracellular calcium concentration ; Slowed conduction; Reduced excitability ; Prolonged refractory …

MACE was defined as composite of all-cause mortality, sustained ventricular tachycardia (VT)/appropriate ICD shock, resuscitated cardiac arrest, and heart failure (HF) hospitalization. Myocardial fibrosis is associated with increased myocardial stiffness, cardiomyocyte necrosis, arrhythmias, sudden cardiac death and unfavourable prognosis (2, 3, 17, 18, 23, 28), and plays a … Cardiac fibrosis, a known substrate for fatal arrhythmias in the general population, may underlie the mechanism by which HIV increases the risk” of sudden death … Background—The safety of electronic control devices (ECDs) has been questioned.
Myocardial infarction (MI)−induced cardiac fibrosis attenuates cardiac contractile function, and predisposes to arrhythmias and sudden cardiac death.

The fibrosis and myxoid material deposition might be a direct consequence of starvation and the mechanism of death in some patients with AN. Sudden cardiac death (SCD) is a worldwide major public health burden, accounting for more than 50% of all cardiac deaths and 20% of all deaths in the United States. Nonsustained Ventricular Tachycardia. In patients who survive a myocardial infarction, the presence of premature ventricular contractions (PVCs), particularly complex forms such as multiform PVCs, short coupling intervals (R-on-T phenomenon), or VT (salvos of 3 or more ectopic beats), reflect an increased risk of sudden death.

In performing medicolegal autopsies on sudden deaths, there occur a number of cases in which no cause of death can be found.

SCD : Sudden cardiac death is related to ejection fraction.