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

…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…

…formerly termed Prinzmetal or variant angina, is myocardial ischaemia caused by transient abnormal vasoconstriction of one or more coronary arteries. Epicardial spasm produces a reversible…

…PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke…

…manifestations of chronic structural and/or functional disease involving the epicardial coronary arteries and/or the coronary microcirculation. These abnormalities may produce a transient mismatch…

…after infarction and is usually transient. Late post acute myocardial infarction pericarditis , traditionally termed Dressler syndrome , which is a manifestation of post cardiac injury syndrome…

…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…

…chadsva] The CHA₂DS₂ VA score has superseded the CHA₂DS₂ VASc score. As of 2025, it is recommended to use the CHA₂DS₂ VA score for stroke…

…or transient ischemic attack (TIA). Severely impaired liver function classified as Child Pugh Class C. Dosage Adults Initial dose : A single loading dose of 60…

…hemodynamic instability or transiently toxic concentrations, adenosine requires a rapidly delivered bolus to achieve sufficiently high concentrations at its clinical site of action—the coronary…

…include: Palpitations and awareness of an irregular or rapid heartbeat Dyspnoea and worsening pulmonary congestion Reduced exercise capacity Symptoms or signs of heart failure Haemodynamic…

…ostia. It remains the reference standard for defining the extent of coronary artery disease because it provides anatomical information while permitting functional assessment and, when…

…beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the kidneys, retina, and…

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

…assessment remains necessary even when symptoms have improved by the time of medical evaluation, because transient or evolving ischaemia may still require urgent reperfusion assessment…

…coronary artery disease (CAD). It combines echocardiographic assessment of left ventricular (LV) structure and function with exercise or pharmacological stress. The physiological basis is an…

…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…

…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…

…may be transient. Pericardiotomy can be curative, which is why it is important to detect the disease early in the course. Hemodynamic effects of constrictive…

…premature ventricular beats or premature atrial supraventricular beats) can cause transient AV blocks by affecting the AV node, bundle of His or the bundle branches…

…suggests fibrosis Elastography kPa 15 kPa suggests advanced fibrosis Work up of unexplained raised liver tests Repeat the tests first — a transient rise is common…

Neurologi Akutsjukvård Lathundar Definition and aims of treatment Convulsive status epilepticus in adults is present with: an ongoing generalised tonic clonic seizure lasting at least…

…Angioedema Angioedema secondary to ACE inhibitor therapy occurs in approximately 1% of patients. It manifests as localized, transient swelling of the subcutaneous or submucosal tissues…

…arising from structural or functional abnormalities of the coronary arteries or coronary microcirculation. These abnormalities can produce a transient and reversible mismatch between myocardial oxygen…

Cardiology Definition and purpose Cardiovascular risk assessment estimates an individual’s probability of experiencing cardiovascular disease (CVD) over a defined period. SCORE2 and SCORE2 Older…

…chemistry & laboratory medicine Definition and Pathophysiology B type natriuretic peptide (BNP) and N terminal pro BNP (NT proBNP) are circulating markers of myocardial wall stress…

…acute myocardial injury without having an infarction. The degree of troponin elevation does not by itself establish the mechanism. Increased concentrations may result from acute…

…that a reduction in $I {Na}$ leaves the transient outward potassium current ($I {to}$) unopposed during phase 1 of the action potential [11] …

…the notion that repeated cycles of transient ischemia induce the protective effect. Some studies (including randomized clinical trials) have suggested the benefit of ischemic preconditioning…

…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…

…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…

…Moreover, it is still debated whether the transient periods of atrial standstill in sinus bradycardia are associated with an increased risk of thromboembolism. Pacemaker treatment…

ECG Myocardial ischemia and infarction The ECG in the assessment of myocardial reperfusion The ECG is an invaluable tool to assess whether an occlusion has…

…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…

…shortened or unchanged in ischemia. R wave amplitude Acute transmural ischemia may transiently increase the amplitude of the R waves. This is believed to be…

…AV block is a very serious condition because escape rhythms may (1) not occur, (2) occur transiently, or (3) occur but generate insufficient cardiac output…

…a simple blood test and the ST segment elevations resolve after normalization of potassium levels. Brugada like ECG changes may occur transiently after electrical cardioversion …

…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…