51 träffar

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…These abnormalities produce breathlessness, orthopnea, weight gain, peripheral edema, early satiety, abdominal distension and, in some patients, bendopnea. Congestion may also aggravate functional mitral regurgitation…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…pain, haemoptysis, syncope and palpitations. Orthopnoea, weight gain and peripheral oedema. Previous hypercapnia, NIV or invasive ventilation. Home oxygen and the patient's usual saturation…

ArticleProcedurer
Paracentesis

…before puncture Pregnancy, previous extensive abdominal surgery Ultrasound guidance; choose a new site if in doubt Cellulitis over the insertion site Change the puncture site…

ArticleProcedurer
Laryngeal mask and difficult airway

…completely. Relative contraindications: A high risk of aspiration: a non fasted patient, ileus, third trimester pregnancy, marked reflux. A need for high airway pressures, for…

ArticleKunskapsbas
🟠 Clonidine

…effects Excessive sedation. Confusion. Hallucinations. Hypotension. Bradycardia. AV block. Constipation Contra indications Bradycardia. Caution • Clonidine may induce severe hypotension. • Clonidine is not recommended in most…

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

…and class III antiarrhythmic effects. The drug comprises both d and l isomers, which share similar efficacy in prolonging repolarization. However, the l isomer is…

ArticleReferensvärden
ECG interpretation method, adults

…the P wave is positive in lead II. Causes of bradyarrhythmia: sinus bradycardia, SA block, sinus arrest, sick sinus syndrome, second degree or third degree…

ArticleProcedurer
Electrical cardioversion

…unknown or excessive duration without adequate anticoagulation or exclusion of thrombus — the most important relative contraindication to elective cardioversion. It does not apply in haemodynamic…

ArticleArrhythmias and arrhythmology
Atrial Fibrillation in the Critically Ill Patient

…decompensation, whereas acute illness and increased sympathetic drive may promote AF. In DHF, ventricular rate may decrease as dyspnoea improves and sympathetic activation subsides, making…

ArticleCardiology
Cardiovascular Prevention in the Very Elderly

…pressures. Excessive reduction in diastolic blood pressure may compromise coronary perfusion, particularly in patients with coronary disease. Excessive systolic reduction may be associated with falls…

ArticleMyocardial ischemia and infarction
Unstable Angina: Definition and Contemporary Management

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

ArticleEchocardiography
Optimization of the ultrasound image

…increase the gain. This amplifies the incoming (reflected) ultrasound waves such that each object appears whiter on the image. Increasing gain excessively results in lower…

ArticleKunskapsbas
🟠 HEMORR₂HAGES Bleeding Risk Score

…et al). Overall, the HAS BLED score may offer better predictive accuracy for bleeding risk in AF patients undergoing anticoagulation therapy. References 1. Gage BF…

ArticleEchocardiography
Left Ventricular Thrombus After Myocardial Infarction

…conditions that favour thrombus formation. Extensive transmural septal infarction may also permit mural thrombi to develop over infarcted myocardium in either ventricle. With contemporary imaging…

ArticleProcedurer
Ankle-brachial index (ABI)

…should be avoided in the acute phase. A leg that has recently been operated on, is in a cast or has extensive wounds so that…

ArticleProcedurer
Urinary catheterisation

…a sacral pressure sore or extensive perineal wounds where urinary leakage prevents healing. Voiding problems in neurogenic bladder dysfunction, in the first instance with clean…

ArticleMyocardial ischemia and infarction
Periprocedural Myocardial Infarction After PCI and CABG

…likely with extensive myocardium at risk, severe baseline stenosis, multivessel coronary artery disease, or diffuse disease. No reflow represents impaired antegrade myocardial perfusion in the…

ArticleCardiology
Refractory Angina: Options When Standard Therapy Fails

…In obstructive CAD, symptoms may result from extensive or diffuse epicardial disease, chronic total occlusion, incomplete revascularization, or coronary anatomy unsuitable for further intervention. In…

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…

ArticleCPR
Cardiac arrest due to electrolyte imbalance

…in correcting hyponatremia is the prevention of osmotic demyelination syndrome (ODS), previously known as central pontine myelinolysis. Excessively rapid correction of sodium can result in…

ArticleEchocardiography
Mitral regurgitation

…myocardial infarction affecting the papillary muscle or its connected myocardium may also result in mitral prolapse. Extensive myocardial infarction may lead to papillary muscle rupture…

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…

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

…surgery involving atrial tissue, extensive prior radiofrequency ablation, advanced atrial disease, or the use of antiarrhythmic drugs. In such clinical scenarios, an atypical ECG presentation…

ArticleMyocardial ischemia and infarction
Invasive Coronary Angiography: Indications and Vascular Access

…lesions whose angiographic severity is uncertain. Supporting decisions regarding revascularization and, in selected patients, identifying microvascular or vasomotor coronary disorders. The investigation should be undertaken…

ArticleECG
Components and construction of a pacemaker

ECG Principles of myocardial excitability Myocardium is excitable not only by action potentials originating in the sinus node, but also by external electrical stimuli that…

ArticleEchocardiography
Performing Echocardiographic Examinations

…Patients with extensive subcutaneous fat require harder pressure. Orientation index marker All ultrasound transducers have an index marker, which is used for orienting in the…