…segment return is explained by rapid normalization of myocardial cell membrane potentials in the ischemic area. Myocardial cells are capable of normalizing their membrane potentials…

…Collateral circulation develops in ischemic myocardium because longstanding ischemia causes the myocardium to secrete growth factors (particularly VEGF [vascular endothelial growth factor]) which stimulate nearby…

…territory. Clinical Presentation and Symptoms The source material addresses posterior infarction primarily in the context of suspected acute coronary syndrome and acute myocardial ischaemia. Patients…

…and/or fall in cardiac troponin with at least one value above the 99th percentile upper reference limit; and Clinical evidence of acute myocardial ischaemia…

Myocardial ischemia and infarction Procedurer Definition and scope Coronary angiography is an invasive fluoroscopic procedure in which contrast media are injected selectively into the epicardial…

…myocardial ischaemia caused by transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible functional occlusion and usually causes transmural ischaemia…

…abnormalities may produce a transient mismatch between myocardial oxygen demand and coronary blood supply, resulting in myocardial hypoperfusion or ischaemia. Ischaemia is commonly precipitated by…

…or left shoulder. It may occasionally be steady and resemble myocardial ischaemia, creating diagnostic difficulty in a patient recently treated for AMI. Dyspnoea may occur…

…a functional cardiac imaging technique used primarily to identify inducible myocardial ischaemia and to estimate prognosis in patients with suspected or established coronary artery disease …

…syndrome (ACS) comprises a spectrum of clinical presentations caused by suspected acute myocardial ischaemia. It includes patients with recent changes in symptoms or clinical signs…

…underlying cardiac disease. Relevant abnormalities include bradyarrhythmias or tachyarrhythmias, AV block, acute myocardial ischemia, old myocardial infarction, long QT, and bundle branch block. Cardiac monitoring…

…Lithium. Cholinesterase inhibitors. Methyldopa. Reserpine. Clonidine. Conditions Myocardial ischemia, myocardial infarction (can cause permanent bradycardia, particularly anterior infarctions). Viral myocarditis. Lyme disease. Rheumatic fever. Endocarditis…

…rehearsal follows. Reversible causes of sinus node dysfunction Age related degenerative disease (development of fibrosis) of the sinoatrial node. Myocardial ischemia/infarction. Perimyocarditis. Drug side…

…precipitate myocardial ischemia or infarction, acute heart failure, or pulmonary oedema. Patients may present with chest pain, severe breathlessness, hypoxaemia, rales, or respiratory distress. In…

…The primary composite outcome included in hospital mortality, resuscitated cardiac arrest, cardiac transplantation or mechanical circulatory support, nonfatal myocardial infarction, transient ischemic attack or stroke…

…heart block Hypertrophic obstructive cardiomyopathy with severe resting gradient Recent stroke or transient ischemic attack Mental impairment with limited ability to cooperate Resting hypertension with…

…pulmonary congestion Reduced exercise capacity Symptoms or signs of heart failure Haemodynamic instability Myocardial ischaemic symptoms or electrocardiographic changes Thromboembolic complications, particularly stroke In ACS…

Indications Acute myocardial infarction. Unstable coronary artery disease. Stable angina pectoris. Secondary prophylaxis to prevent recurrence of cerebrovascular diseases, such as: Transient ischemic attacks (TIA…

…system (Thrombolysis in Myocardial Infarction). Prasugrel should only be considered for patients at increased bleeding risk if the benefits of preventing ischemic events outweigh the…

…therapies in cardiovascular medicine, widely utilized for the management of hypertension, chronic ischemic heart disease, heart failure with reduced ejection fraction (HFrEF), and post myocardial…

…leading to transient ischaemic attack (TIA) or stroke. The risk associated with asymptomatic disease depends substantially on stenosis severity and plaque characteristics. In the general…

…transmural ischemia may transiently increase the amplitude of the R waves. This is believed to be due to delayed (and thus electrically unopposed) depolarization in…

…BNP (NT proBNP) are circulating markers of myocardial wall stress. They are released principally by ventricular cardiomyocytes in response to increased transmural stress and ventricular…

…stroke, transient ischaemic attack, and peripheral arterial disease. Heart failure is also considered established clinical CVD in the risk based approach to elevated BP. Risk…

…sex , and genetically influenced effects on the cardiovascular system. Acute exposure produces transient haemodynamic and myocardial effects, whereas sustained heavy consumption is associated with hypertension…

…Diagnosing transient or paroxysmal AV block in these individuals can be challenging. A high suspicion of intermittent infrahisian block should be maintained, particularly in older…

…as a result of which the myocardium is rigid and imperative, which also leads to an increase in diastolic pressure in the ventricles and atria…

…cause stroke, TIA (transient ischemic attack), coronary artery occlusion, and peripheral embolization. Stroke is the third leading cause of death in Western countries, and ultrasound…

…75 years (2 points) D iabetes Mellitus (1 point) S₂ troke, Transient Ischemic Attack (TIA), or Thromboembolism history (2 points) V ascular Disease (1 point)…

…increase in the sinus rate. In the AV node, adenosine produces a transient, rate dependent prolongation of the A H interval, frequently manifesting as transient…

…the patient’s underlying clinical risk factors rather than by the AF pattern. Important predictors include previous stroke or transient ischaemic attack (TIA), mitral stenosis…

…transient rise is common. If the abnormality persists: hepatitis serology (A, B, C, E), iron studies and ferritin, ANA, SMA, AMA, IgG subclasses, caeruloplasmin in…

…Transient apnoea, hypoxaemia, a rising lactate, acidosis, hypertension and tachycardia are common during a generalised seizure. In prolonged status the initial sympathetic response can give…

…this theory posits that a reduction in $I {Na}$ leaves the transient outward potassium current ($I {to}$) unopposed during phase 1 of the…

…coffee ground vomiting or melaena. Haematochezia can occur in massive upper bleeding with rapid intestinal transit. Coffee ground vomiting is less specific than fresh haematemesis…

…complete AV block, AV block III and AV block 3. In third degree AV block, no atrial impulses are conducted to the ventricles. The atria…

…two brothers, Josep and Ramon, described this syndrome in 1992. The syndrome is characterized by a rather peculiar ECG and the patients experience syncope, life…

…microvascular resistance. IMR: distal pressure × hyperemic mean transit time — isolates microvascular resistance. Only indices that detect microvascular disease as an independent cause of ischemia, including…