51 träffar

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…the intravascular and extravascular compartments. Heart failure is defined physiologically by the inability of the heart to provide blood flow appropriate to tissue requirements unless…

ArticleArrhythmias and arrhythmology
Sotalol: Initiation, QT Monitoring and Renal Dosing

…QT interval and the PR interval, while leaving the QRS duration largely unchanged. Continuous ECG monitoring is mandated during hospital initiation to detect excessive QT…

ArticleCardiology
Hypertriglyceridaemia: Management and Cardiovascular Risk

…disease Excessive alcohol consumption Diets high in carbohydrate or fat Glucocorticoids Beta blockers Oestrogen therapy Some antiretroviral therapies Post transplant medications, including corticosteroids, cyclosporine and…

ArticleMyocardial ischemia and infarction
Unstable Angina: Definition and Contemporary Management

…Reduced exercise tolerance. Excessive fatigue. These non chest pain manifestations are reported more frequently in females, older adults and people with diabetes. Ischaemic heart disease…

ArticleArrhythmias and arrhythmology
Atrial Fibrillation in the Critically Ill Patient

…further assessment. Clinical presentation and symptoms The clinical presentation is heterogeneous. AF may be well tolerated, particularly when the ventricular response is not excessive, or…

ArticleProcedurer
Electrical cardioversion

…when the shock is delivered, and that the thromboembolic risk has been dealt with before the atria begin to contract again. An unsynchronised shock that…

ArticleKunskapsbas
🟠 Clonidine

…Catapress TTS 3 (0.3 mg/24hrs) Dosage in renal failure and renal replacement therapy: Dose as in normal renal function Adverse effects Excessive sedation…

ArticleCardiology
Cardiovascular Prevention in the Very Elderly

…in patients with coronary disease. Excessive systolic reduction may be associated with falls, syncope, renal deterioration, functional decline, and cognitive impairment. Heart failure Heart failure…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…feels breathless. Excessive oxygen delivery can raise pCO₂. The main mechanisms are impaired ventilation–perfusion matching, increased physiological dead space and the Haldane effect. It…

ArticleReferensvärden
ECG interpretation method, adults

…with an amplitude 5 mm and an amplitude 10 mm in some chest lead (otherwise low voltage is present). High voltage (excessive amplitudes) is present…

ArticleEchocardiography
Optimization of the ultrasound image

…gain excessively results in lower resolution and difficulties discerning tissue borders. These are the main adjustments made to improve image quality. Adjusting image depth and…

ArticleKunskapsbas
🟠 HEMORR₂HAGES Bleeding Risk Score

…60 for HAS BLED, 0.55 for HEMORR₂HAGES, and 0.50 for ATRIA, indicating that HAS BLED had better discrimination ability (Apostolakis et al). Overall…

ArticleProcedurer
Casting and immobilisation

…radiolucent, tolerates moisture better, more expensive and stiffer to mould Elastic bandage Holds the slab in place; wound on without tension Tepid water, plastic gloves…

ArticleProcedurer
Laryngeal mask and difficult airway

…wall. Glottic or subglottic obstruction — the mask sits above the obstruction and solves nothing. A mouth opening below about 2 cm. Extensive pharyngeal pathology: tumour…

ArticleArrhythmias and arrhythmology
Atrial Flutter: Mechanisms, ECG Recognition and Management

…However, this well recognized pattern can be significantly altered when atrial activation is modified by cardiac surgery involving atrial tissue, extensive prior radiofrequency ablation, advanced…

ArticleECG
Components and construction of a pacemaker

…clavicle, between the skin and the pectorialis major. The pulse generator has a shell of titanium which is well tolerated by the surrounding tissues. The…

ArticleEchocardiography
Stress Echocardiography: Protocols and Interpretation

…stress generally indicates previous infarction. Extensive ischaemia may produce a reduction in global LVEF and transient LV cavity dilatation during stress. Stress echocardiography can also…

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

…left main disease. The examination should nevertheless assess the consequences of extensive myocardial ischaemia, including heart failure, haemodynamic compromise and rhythm disturbance. The source material…

ArticleEchocardiography
Left Ventricular Thrombus After Myocardial Infarction

…infarction (MI). It is particularly associated with extensive anterior or transmural infarction, apical dysfunction, LV aneurysm formation, and reduced LV systolic function. The principal mechanisms…

ArticleCardiology
Refractory Angina: Options When Standard Therapy Fails

…extensive or diffuse epicardial disease, chronic total occlusion, incomplete revascularization, or coronary anatomy unsuitable for further intervention. In ANOCA/INOCA, coronary atherosclerosis, endothelial dysfunction, and…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…hypernatremia, hypomagnesemia, and hypermagnesemia are exceedingly rare precipitants of cardiac arrest. Sodium imbalance Neither hyponatremia nor hypernatremia typically cause discernible ECG changes. Hyponatremia Effective management…

ArticleProcedurer
Ankle-brachial index (ABI)

…60° to the skin. Inflate to 20 mmHg above the point at which the signal disappears, deflate slowly (2 mmHg/s) and note the pressure…

ArticleProcedurer
Urinary catheterisation

…Instillation therapy and contrast studies of the urinary tract. Wound healing with a sacral pressure sore or extensive perineal wounds where urinary leakage prevents healing…

ArticleProcedurer
Paracentesis

…previous extensive abdominal surgery Ultrasound guidance; choose a new site if in doubt Cellulitis over the insertion site Change the puncture site Preparation and equipment…

ArticleEchocardiography
Mitral regurgitation

…results in thickening of the leaflets and may coexist with mitral stenosis. Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome…

ArticleEchocardiography
Performing Echocardiographic Examinations

…the gel, it is important to apply some pressure when holding the transducer against the skin. Patients with extensive subcutaneous fat require harder pressure. Orientation…