…Secondary prophylaxis to prevent recurrence of cerebrovascular diseases, such as: Transient ischemic attacks (TIA). Stroke Contraindications Cross reactivity: Do not administer to patients with a…

…Acute exposure produces transient haemodynamic and myocardial effects, whereas sustained heavy consumption is associated with hypertension, coronary artery disease, arrhythmias, heart failure and alcohol related…

…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…

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

…involving the epicardial coronary arteries and/or the coronary microcirculation. These abnormalities may produce a transient mismatch between myocardial oxygen demand and coronary blood supply…

…AMI): Early infarct associated pericarditis , which develops from several hours to approximately 4 days after infarction and is usually transient. Late post acute myocardial infarction…

…the atria, left atrial appendage (LAA), ventricles, valves, and proximal aorta can cause stroke, TIA (transient ischemic attack), coronary artery occlusion, and peripheral embolization. Stroke…

…AF patients. Evidence suggests that the increased stroke risk in women is more closely associated with other comorbidities and age rather than sex alone. Consequently…

…such as gastrointestinal bleeding or intracranial hemorrhage. History of stroke or transient ischemic attack (TIA). Severely impaired liver function classified as Child Pugh Class C…

…A1 receptors located on the extracellular surface of cardiac cells. Through the guanine nucleotide regulatory proteins Gi and Go, adenosine activates potassium channels (IK.Ach…

…transient rate related conduction abnormalities, pacing related repolarization changes, and inadequate coronary flow relative to myocardial oxygen demand. Consequently, an elevated cardiac troponin concentration and…

…permitting functional assessment and, when appropriate, immediate percutaneous coronary intervention (PCI). Complications are uncommon, but their clinical spectrum ranges from transient arrhythmias and minor access…

Cardiology Emergency medicine Definition and Pathophysiology A hypertensive emergency is severe blood pressure elevation accompanied by acute hypertension mediated target organ damage (HMOD). The European…

…Clinical Presentation and Symptoms Patients with bradycardia or intermittent conduction disorders frequently present with presyncope or syncope. Diagnosing transient or paroxysmal AV block in these…

ECG Myocardial ischemia and infarction Definition and Pathophysiology Posterior myocardial infarction is myocardial necrosis involving the posterior region of the left ventricle, usually as part…

…in global LVEF and transient LV cavity dilatation during stress. Stress echocardiography can also provide information beyond regional wall motion, including: Global and regional LV…

…formation is most commonly related to the left atrial appendage, although competing mechanisms such as large artery atherosclerosis and small vessel disease may also contribute…

…though transient atrioventricular (AV) block can also occur. The physiologic response to orthostatic stress is incompletely understood, but redistribution of blood volume and increased ventricular…

…Since the left ventricle is not filled normally, there is more room for the right ventricle, the filling of which increases and the septum bulges…

…following conditions may cause intermittent bradycardia: Extrasystoles (premature ventricular beats or premature atrial supraventricular beats) can cause transient AV blocks by affecting the AV node…

…liver tests Repeat the tests first — a transient rise is common. If the abnormality persists: hepatitis serology (A, B, C, E), iron studies and ferritin…

…or cardiac involvement is suspected. Transient apnoea, hypoxaemia, a rising lactate, acidosis, hypertension and tachycardia are common during a generalised seizure. In prolonged status the…

…It manifests as localized, transient swelling of the subcutaneous or submucosal tissues, most frequently involving the face, lips, tongue, and upper airway. Due to the…

…the coronary arteries or coronary microcirculation. These abnormalities can produce a transient and reversible mismatch between myocardial oxygen demand and blood supply, generally during exertion…

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

…Angiotensin receptor–neprilysin inhibitors may increase BNP concentrations, although the effect is not universal and may be transient. Because NT proBNP is not a neprilysin…

…Brief ischaemia, transient pressure overload, increased sarcolemmal permeability, apoptosis, and release from an early cytosolic pool have all been associated with detectable troponin. High sensitivity…

…The Repolarization Hypothesis: Championed by Antzelevitch and colleagues, this theory posits that a reduction in $I {Na}$ leaves the transient outward potassium current ($I …

…protective substances that affect and precondition the metabolism of myocardial cells. Researchers have pushed the notion that repeated cycles of transient ischemia induce the protective…

…pericarditis Acute aortic dissection Physical disability that precludes safe and adequate testing Relative contraindications Known obstructive left main coronary artery stenosis Moderate to severe aortic…

…nonfatal myocardial infarction, transient ischemic attack or stroke, and initiation of renal replacement therapy. The study found no significant differences between the two treatment groups…

…the impulse from reaching the atria. Disturbed automaticity and blocked impulses lead to arrhythmias that characterize sinus node dysfunction. The conditions encircled by the term…

…treated with thrombolysis, because reperfusion may be inadequate and/or transient with thrombolysis therapy (PCI is superior to thrombolysis also in this aspect). Guidelines recommend…

…in massive upper bleeding with rapid intestinal transit. Coffee ground vomiting is less specific than fresh haematemesis and can also be seen when the bleeding…

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

…Importantly, for the ventricles to have any electrical (and thus pumping) activity at all, an escape rhythm must arise in an ectopic focus (located distal…

…changes may occur transiently after electrical cardioversion . Early repolarization also presents with J point elevation (as does Brugada syndrome, see below) and may also lead…

…the hemodynamic significance of a coronary lesion, with anatomic and functional assessment discordant in a substantial minority of intermediate lesions. Over the past three decades…