60+ träffar

ArticleEchocardiography
Tricuspid stenosis

…always accompanied by aortic or mitral disease (most commonly mitral stenosis). Simultaneous tricuspid regurgitation is also common. Echocardiography Echocardiography has replaced catheterization for the assessment…

ArticleECG
Components and construction of a pacemaker

…requirement is extensive, or if the stimulus threshold (discussed below) is high. When the battery is depleted, the entire system must be replaced. Pacemaker leads…

ArticleCardiology
Ventricular Tachycardia

…clinical presentation of VT, with a deep dive into the underlying etiologies ranging from benign idiopathic variants to complex scar related and genetic substrates. Furthermore…

ArticleProcedurer
Bone marrow aspiration and biopsy

Procedurer Aspirate and biopsy answer different questions and do not replace one another: the aspirate shows cellular morphology and provides material for flow cytometry and…

ArticleAkutsjukvård
Anaphylaxis: quick reference for emergency management

…suspected. Do not wait for a complete diagnosis or for grading. Antihistamines, corticosteroids, inhaled bronchodilators and nebulised adrenaline never replace intramuscular adrenaline [1,2]. Delayed…

ArticleProcedurer
Transcutaneous and transvenous pacing

…an infusion of isoprenaline, adrenaline or dopamine according to local practice, and does not replace pacing when the patient is markedly unstable. Transcutaneous pacing Equipment…

ArticleContinous medical discussion: the ECG blog
A new ECG biomarker for sudden cardiac death

…morphology, which replaces the sharp negative S wave seen in the low risk beat — the previously undescribed biomarker identified by the deep learning model. Predicting…

ArticleReferensvärden
Circulatory and haemodynamic parameters

…Haemodynamic measurements become interpretable only when related to one another. A low blood pressure may be due to low flow, low vascular tone or both…

ArticleReferensvärden
Blood pressure

…It requires repeated measurements on at least two occasions, and preferably confirmation by home measurement or 24 hour recording — the thresholds for which are lower…

ArticleInfo
🚫 Answer to ECG quiz 5

Info The ECG shows AV block III (complete heart block). P waves are not related to QRS. PP interval is constant, but independent of RR…

ArticleMyocardial ischemia and infarction
Periprocedural Myocardial Infarction After PCI and CABG

…Periprocedural myocardial infarction (MI) is myocardial necrosis temporally related to coronary revascularization. It may follow percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG)…

ArticleCardiology
Pulmonary Embolism (PE)

…artery. Depending on the size and form of the thrombus, it will occlude the main pulmonary artery or its branches. The larger the thrombus, the…

ArticleCardiology
Primary Aldosteronism: Screening and Management

…150/100 mm Hg on repeated measurements Hypertension requiring at least four antihypertensive drugs despite control Hypertension with spontaneous or diuretic induced hypokalaemia Hypertension with…

ArticleEmergency medicine
STEMI: Primary PCI and System-of-Care Time Targets

…elevation or an accepted equivalent in the setting of ischaemic symptoms. The immediate pathophysiological objective is restoration of blood flow to the infarct related myocardial…

ArticleEchocardiography
Mitral regurgitation

…of mitral regurgitation in high income countries is age related degeneration of the valvular apparatus. Age related degeneration affects 2% of the population and leads…

ArticleCPR
Sudden cardiac arrest: Case 8

…complexes are seen, with the latter two having similar QRS morphology. These beats may originate from the ventricles or atria. ECG 2. The initial part…

ArticleCardiology
Cardiac amyloidosis

…drugs or repeated ablation procedures should raise suspicion, especially in patients in their mid 60s or older [10]. Physical examination may reveal a normal or…

ArticleProcedurer
Gynaecological examination and cervical smear

…be stopped at any moment. A trauma informed approach also improves the technical quality — a relaxed patient is easier to examine. Indications Symptoms: bleeding outside…

ArticleGastroenterologi & hepatologi
Upper gastrointestinal bleeding: quick reference

…hypotension or a postural drop tachycardia a cold periphery and delayed capillary refill confusion, drowsiness or syncope oliguria a rising lactate or metabolic acidosis repeated…

ArticleCardiology
Alcohol and Cardiovascular Disease

…coronary artery disease, arrhythmias, heart failure and alcohol related cardiomyopathy. The cardiovascular implications of lower alcohol intake remain controversial. Epidemiological studies have often described a…

ArticleArrhythmias and arrhythmology
Atrial Fibrillation in the Critically Ill Patient

…newly detected for the first time, or newly developed during management of an acute illness. The clinical relationship between AF and acute deterioration is often…

ArticleCardiology
Bempedoic Acid: Evidence and Clinical Use

…cholesterol (LDL C), particularly when statins cannot be tolerated or when LDL C remains above goal despite maximally tolerated therapy. It is a prodrug activated…

ArticleCardiology
Cardiovascular Prevention in the Very Elderly

…functional capacity, and health related quality of life substantially influence both cardiovascular risk and the balance between treatment benefit and harm. Prevention in the very…

ArticleCardiology
Coronary Anomalies and Myocardial Bridging

…involving the origin, course, distribution, or termination of the coronary arteries. They include anomalous aortic origin of a coronary artery (AAOCA), coronary fistulae, and myocardial…

ArticleCardiology
Myocardial Perfusion Imaging With SPECT and PET

…Myocardial perfusion imaging (MPI) with single photon emission computed tomography (SPECT) or positron emission tomography (PET) is a radionuclide based method for assessing regional myocardial…

ArticleCardiology
Resistant Hypertension: Evaluation and Treatment

…and who therefore require assessment for pseudo resistance, secondary hypertension, treatment related contributors, and excess cardiovascular risk. The European definition requires failure to reduce office…

ArticleCardiology
Spontaneous Coronary Artery Dissection

…and progesterone related structural changes in the coronary media. The early postpartum period, when marked hormonal changes occur. Hypertension and oestrogen exposure. Emotional or chronic…