60+ träffar

ArticleMyocardial ischemia and infarction
Left Main Coronary Artery Disease: Revascularisation Strategy

…Coexisting multivessel disease The extent of jeopardized myocardium Left ventricular systolic function Diabetes and other comorbidities Anatomical complexity and completeness of possible revascularization A proximal…

ArticleCardiology
Myocardial Perfusion Imaging With SPECT and PET

…metabolic imaging. Contribute to assessment of cardiac inflammation, infective endocarditis, and cardiac amyloidosis using appropriate radiopharmaceuticals. Functional perfusion imaging primarily identifies haemodynamically important disease. Non…

ArticleCardiology
Heart Failure With Mildly Reduced Ejection Fraction

…prognosis. Pathophysiology The defining physiological abnormality is heart failure occurring with mildly impaired LV systolic function. The syndrome remains fundamentally one of impaired cardiac performance…

ArticleReferensvärden
Renal parameters

…where a fractional excretion of urea below 35 % is a better alternative. Follow up At an eGFR below 60, or in the presence of albuminuria…

ArticleEmergency medicine
Acute Coronary Syndrome: Definitions and Initial Triage

…chronic coronary syndromes Chronic coronary syndromes (CCS) describe stable period clinical presentations arising from structural or functional abnormalities of the coronary arteries or coronary microcirculation…

ArticleArrhythmias and arrhythmology
Atrial Fibrillation in the Critically Ill Patient

…systolic function is depressed or preserved Whether hypotension is present Whether an accessory pathway is suspected, particularly before administration of digoxin The duration of the…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

…the last dose, the renal function and the severity of the bleeding 7 Manage antiplatelet drugs according to their indication. Do not routinely stop aspirin…

ArticleCardiology
Anticoagulation Strategies in Atrial Fibrillation

…of other comorbidities, does not significantly increase stroke risk. Conversely, the 2023 ACC/AHA guidelines retain the "VASc" nomenclature but clarify that female sex functions…

ArticleArrhythmias and arrhythmology
Atropine: Dosing in Bradycardia and Its Limitations

…from other tachyarrhythmic events. On the surface electrocardiogram, sinus bradycardia may appear at rates of 40 to 48 beats per minute, occasionally accompanied by junctional…

ArticleCPR
Causes of sudden cardiac arrest

…heart failure or after myocardial infarction). Ventricular arrhythmias are easier to induce in the presence of arrhythmogenic substrates. A substrate is defined as a physiological…

ArticleEchocardiography
Cardiac tumors

…a long time and be detected randomly when investigating other conditions. More dramatic onset of symptoms can be seen in arrhythmogenic tumors of the myocardium…

ArticleCardiology
Secondary Hypertension: When and How to Investigate

…hypertension is genuinely present Factors that may be contributing to elevated blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ…

ArticleCardiology
Type 2 Diabetes and Cardiovascular Risk Management

…all cause mortality. The excess risk is mediated by the combined effects of hyperglycaemia, hypertension, dyslipidaemia, obesity, smoking and other conventional risk factors, together with…

ArticleECG
The PR Interval & PR segment

…with first degree AV block. A shortened PR interval (<0,12 s) indicates pre excitation (presence of an accessory pathway). This is associated with a…