60+ träffar

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…

ArticleCardiology
Alcohol and Cardiovascular Disease

…distribution throughout water containing tissues, including the myocardium. Its effects therefore depend not only on dose but also on exposure pattern, duration, sex and genetic…

ArticleCardiology
Dietary Patterns and Cardiovascular Outcomes

…Their effects are multidimensional and cannot be adequately inferred from changes in a single intermediate marker such as cholesterol. Dietary composition may influence blood pressure…

ArticleCPR
Cardiac arrest due to hypoxia and asphyxia

…reduced partial pressure of oxygen in the blood. Asphyxia is characterized by insufficient ventilation, leading to hypoxia. Etiologies of hypoxic cardiac arrest : Trauma and injuries…

ArticleCardiology
Cardiovascular Risk in Women: Sex-Specific Factors

…contributing to delayed assessment and undertreatment. Traditional cardiovascular risk factors Several conventional risk factors have sex dependent effects: Blood pressure rises more steeply in women…

ArticleKunskapsbas
🟠 Aspirin (Acetylsalicylic acid)

…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…

ArticleEchocardiography
Cardiac tumors

…size of the tumor, localization, hemodynamic effects and possible impact on the coronary arteries. The tumors can be asymptomatic for a long time and be…

ArticleKardiologi
Hypertensive crisis: drugs and doses

…the duration of effect, the dosing, the adverse effects and the important precautions. A hypertensive emergency is defined by a markedly raised blood pressure in…

ArticleCardiology
Inclisiran and Emerging Lipid-Lowering Agents

…This mechanism differs from that of the monoclonal antibodies alirocumab and evolocumab, which bind circulating PCSK9. The prolonged intracellular effect of inclisiran permits subcutaneous administration…

ArticleArrhythmias and arrhythmology
Atropine: Dosing in Bradycardia and Its Limitations

…true bradyarrhythmic or asystolic arrest from other tachyarrhythmic events. On the surface electrocardiogram, sinus bradycardia may appear at rates of 40 to 48 beats per…

ArticleCardiology
Primary Aldosteronism: Screening and Management

…macrophages, neurons and other tissues. This distribution helps explain why PA produces cardiovascular injury beyond its effects on blood pressure and potassium balance. The principal…

ArticleEchocardiography
Tachycardia induced cardiomyopathy

…of cardiomyopathy. Pathophysiology Prolonged tachyarrhythmias lead to the following hemodynamic effects: Tachyarrhythmia results in reduced preload, diminished stroke volume, and subsequently lower blood pressure and…

ArticleCardiology
Type 2 Diabetes and Cardiovascular Risk Management

…is mediated by the combined effects of hyperglycaemia, hypertension, dyslipidaemia, obesity, smoking and other conventional risk factors, together with diabetes specific vascular and metabolic abnormalities…

ArticleProcedurer
Edrophonium test

…minutes . 4. Give 2 mg of edrophonium intravenously as a test dose . Observe pulse, blood pressure and muscle strength for a few minutes. 5. If…

ArticleCardiology
Blood Pressure Targets in Older and Frail Adults

…Consequently, isolated systolic hypertension and widening pulse pressure are common in later life. These changes contribute to the complexity of defining an appropriate treatment target…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…tamoxifen or lithium, thiazide administration, and over supplementation of calcium and vitamin D. ECG in hypercalcemia Typical ECG changes: Shortened QT interval. Attenuated T wave…

ArticleEchocardiography
Doppler effect and Doppler echocardiography

…Doppler effect. When the sound source moves towards the observer, the sound waves are compressed, which leads to a shortening of the wavelength and thus…

ArticleProcedurer
Urinary alkalinisation

…effect; it is part of the treatment itself. Indications Salicylate poisoning with symptoms or a rising serum concentration. Alkalinisation increases renal elimination several fold and…

ArticleEchocardiography
Tissue Doppler (Tissue Velocity Imaging)

…of blood flow. However, the Doppler effect can also be used to study myocardial motion. Myocardial motion during systole and diastole alter the frequency of…

ArticleProcedurer
Soft tissue corticosteroid injection

…local availability. Betamethasone (Betapred 4 mg/mL) is water soluble and short acting, not a depot preparation, and gives a shorter duration of effect. Lidocaine…

ArticleArrhythmias and arrhythmology
Chronotropic incompetence (inability to increase heart rate)

…less than 80% diagnoses chronotropic incompetence) Management of chronotropic incompetence Treatment of chronotropic incompetence and other bradyarrhythmias are discussed in the chapter Treatment of bradyarrhythmias.

ArticleCardiology
Coronary Anomalies and Myocardial Bridging

…Venturi or “suction” effect have been proposed as mechanisms of inducible ischaemia. The functional impact depends on the bridge’s thickness, length, depth, and location…