60+ träffar

ArticleCardiology
Bempedoic Acid: Evidence and Clinical Use

…lowering agent used to reduce low density lipoprotein cholesterol (LDL C), particularly when statins cannot be tolerated or when LDL C remains above goal despite…

ArticleCardiology
Inclisiran and Emerging Lipid-Lowering Agents

…the availability of hepatic low density lipoprotein cholesterol (LDL C) receptors at the cell surface, and thereby enhances removal of LDL C from the circulation…

ArticleConduction defects
Overview of atrioventricular (AV) blocks

…to the ventricles. Conduction through the AV node is intentionally slow (due to the low concentration of gap junctions in AV nodal cells), which allows…

ArticleEchocardiography
Tissue Doppler (Tissue Velocity Imaging)

…2) Whereas reflections from erythrocytes have low amplitude, sound waves reflected from myocardium have high amplitude. This is due to the high density of myocardium…

ArticleEchocardiography
Optimization of the ultrasound image

…Hence, using low frequency waves to visualize distant objects is motivated by the advantages of greater tissue penetration of such waves. Recommended: Physics of Ultrasound…

ArticleEchocardiography
Physics of ultrasound

…lowest particle density along the sound wave (Figure 3). Loud sound is characterized by large pressure differences along the sound wave, while low sound has…

ArticleReferensvärden
Circulatory and haemodynamic parameters

…hypertension Pulse pressure 40–60 mmHg A narrow pulse pressure suggests a low stroke volume Capillary refill < 3 s A simple and validated marker…

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…

ArticleProcedurer
Exercise stress test on cycle ergometer

…Exercise induced arrhythmia or exercise induced syncope. Assessment of chronotropic function and pacemaker settings. Preoperative functional assessment before major surgery. At a low pre test…

ArticleReferensvärden
Renal parameters

…halve before the creatinine leaves the reference range, because the relationship is hyperbolic. In people with a low muscle mass — the elderly, the undernourished, amputees…

ArticleProcedurer
Spirometry

…The quality of the test determines its entire value: a poorly performed manoeuvre gives a falsely low FVC and thus a falsely normal FEV₁/FVC…

ArticleKunskapsbas
🟠 CHADS-VA Bleeding Risk Score

…risk in women based solely on gender. This aims to prevent unnecessary anticoagulation in low risk female patients, thereby reducing the potential for bleeding complications…

ArticleEchocardiography
Artifacts in ultrasound imaging

…and appear brighter on the image. Structures with low echogenicity reflect less ultrasound and become darker in the image. Acoustic shadowing Some structures have very…

ArticleCPR
Basic Life Support (BLS) in cardiac arrest

…shown in Table 1, BLS is an exceptionally effective treatment, with a very low number needed to treat (NNT), indicating high effectiveness. Although BLS is…

ArticleEchocardiography
Mitral regurgitation

…valve leaflets (Figure 1). Rheumatic heart disease is the leading cause of mitral regurgitation in low and middle income countries. Rheumatic heart disease typically results…

ArticleCPR
Sudden cardiac arrest: Case 2

…fibrillation, coarse (large amplitudes). ECG 4 . Ventricular fibrillation. ECG 5 . Ventricular fibrillation, fine (low amplitudes). ECG 6 . Ventricular fibrillation, coarse. ECG 7 . Ventricular fibrillation, coarse…

ArticleCPR
Traumatic cardiac arrest

…CPR) should be performed per standard guidelines. Cardiac arrests due to trauma are characterized by very low survival rates. In the nationwide Swedish Registry for…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…hypercapnia has been assessed. 3. Take an arterial blood gas in respiratory compromise, low saturation, suspected carbon dioxide retention, reduced consciousness, or when NIV is…

ArticleProcedurer
Bone marrow aspiration and biopsy

…by contrast, is not a contraindication; the specimen may be taken even at very low platelet counts, followed by compression. Infection in the skin overlying…

ArticleReferensvärden
ECG parameters

…V1 Terminal negative component 1 mm × 40 ms Left atrial enlargement Low voltage QRS < 5 mm in the limb leads or < 10 mm…

ArticleProcedurer
Electrical cardioversion

…Atrial flutter, which often converts at low energy and is difficult to terminate pharmacologically. Ectopic atrial tachycardia or SVT that has not been terminated by…

ArticleProcedurer
Foreign body in the ear and nose

…available. Do not then try "by feel" — refer to ENT. Relative — a low threshold for referral: Marked swelling or inflammation around the object. A small…

ArticleReferensvärden
Intensive care parameters

…kg/day Enteral nutrition Started within 48 h where possible Thromboprophylaxis Low molecular weight heparin unless contraindicated Head of the bed 30–45° Stress ulcer…

ArticleProcedurer
Laryngeal mask and difficult airway

…ventilating is not experienced in intubation. Planned anaesthesia for short procedures in a fasted patient at low risk of aspiration. A conduit for fibreoptically assisted…

ArticleReferensvärden
Lung function and respiration

…cannot be established with spirometry alone, but is suspected when the FVC is low with a normal or high ratio. Reversibility: an increase in FEV₁…

ArticleProcedurer
Pericardiocentesis

…above 10 mmHg A fall in systolic blood pressure during inspiration; one of the most useful signs Low voltage on the ECG, electrical alternans Supportive…

ArticleProcedurer
Reduction of dislocations

…miss a posterior dislocation. The exceptions are an obvious recurrent dislocation in a patient with known instability and a low energy mechanism, and a neurovascularly…

ArticleKunskapsbas
🟠 Adjusted aortic root dimension

…who have low BSA or severe extra aortic features 45 mm • Patients who are undergoing aortic valve surgery • Patients with Marfan syndrome who have additional…

ArticleKunskapsbas
🟠 Aspirin (Acetylsalicylic acid)

…Use Aspirin with caution in the following cases: Concurrent anticoagulant therapy (e.g., coumarin derivatives or heparin—except low dose heparin). Patients with gastrointestinal disorders…

ArticleKunskapsbas
🟠 HAS-BLED Score Calculator

…It was developed in 2010, using data from the EuroHeart survey. Components of the HAS BLED Score The HAS BLED score is an acronym that…

ArticleInfo
🟠 Inotropes and Vasopressors

…Dobutamine Cardiogenic shock Bradycardia (second line therapy) Stress testing (due to induced increase in myocardial O 2 consumption) Regular : 2.0–20 μg/kg…

ArticleKunskapsbas
🟠 Lipid lowering therapy after ACS

…or low intensity lipid lowering therapy: • Start high potency, high dose statin therapy (Class I recommendation). • Immediate combination with ezetimibe can be considered if LDL…

ArticleKunskapsbas
🟠 SYNTAX Score

…in the SYNTAX trial, patients with high scores had significantly higher mortality and MACE rates compared to those with low scores. Monitor Quality of Care…