60+ träffar

ArticleProcedurer
Deceased donor organ donation

Procedurer The donation process begins long before any retrieval: it begins when someone in the intensive care unit identifies a possible donor and the deceased…

ArticleReferensvärden
Lung function and respiration

…FVC Forced vital capacity FEV₁/FVC The ratio that defines obstruction PEF Peak expiratory flow — variability rather than the absolute value TLC Total lung capacity…

ArticleProcedurer
Spirometry

Procedurer Spirometry is the only investigation that distinguishes obstructive from restrictive impairment of lung function, and COPD cannot be diagnosed without it . The quality of…

ArticleProcedurer
Nasogastric tube

Procedurer The insertion itself is rarely the difficult part — it is the confirmation of the position that determines whether the tube is safe. A misplaced…

ArticleEchocardiography
Performing Echocardiographic Examinations

…the heart comes closer to the thoracic wall, with less lung tissue covering the heart. Some images in adult TTE are obtained with the patient…

ArticleProcedurer
Central venous catheter

…Thresholds for INR and platelet count before insertion differ between regions and departments — follow local protocol. Severe lung disease or a contralateral pneumothorax: avoid the…

ArticleEchocardiography
Stress Echocardiography: Protocols and Interpretation

Echocardiography Myocardial ischemia and infarction Definition and Pathophysiology Stress echocardiography is a functional cardiac imaging technique used primarily to identify inducible myocardial ischaemia and to…

ArticleCardiology
Adenosine for tachyarrhythmias (AVNRT, AVRT, NCT)

…to moderate exacerbation of asthma symptoms. Adenosine should be used with caution in patients with obstructive lung disease or asthma. Irregular wide complex tachycardia (absolute…

ArticleEchocardiography
Artifacts in ultrasound imaging

…sound waves returning to the transducer are reflected back to the tissue. Reverberations are common when examining lung tissue; the double layered pleura produce reverberations…

ArticleCPR
Cardiac arrest due to pneumothorax

…episodes Iatrogenic events (e.g., during central venous catheter insertion) Underlying lung pathologies In cases of benign pneumothorax, positive pressure ventilation can precipitate a tension…

ArticleCardiology
Management of bradycardia (bradyarrhythmia)

…B Breathing Respiratory rate (12–20 / min) Chest wall movements Chest percussion Lung auscultation Pulse oximetry ( 95%) C Circulation Skin color Sweating Capillary refill time…

ArticleCardiology
Pharmacologic agents in myocardial perfusion imaging

…medications such as nitrates, beta blockers, or calcium channel blockers Recent acute myocardial infarction (AMI) Pharmacologic agents in perfusion imaging Vasodilators (adenosine, dipyridamole, regadenoson) These…

ArticleArrhythmias and arrhythmology
Sinus tachycardia & Inappropriate sinus tachycardia

…and medications may cause sinus tachycardia; e.g congestive heart failure, lung disease (e.g COPD), fever, infections, anemia, myocardial ischemia/infarction, pulmonary embolism, pheochromocytoma…

ArticleProcedurer
Oxygen therapy

…saturation in the lower part of the target range. Paraquat poisoning — oxygen worsens the lung injury. Discuss with your national or regional poison control centre…

ArticleProcedurer
Pericardiocentesis

…profound shock, very limited decompression may be considered in consultation with a cardiothoracic surgeon. Myocardial rupture after myocardial infarction, and traumatic haemopericardium — these require surgery;…

ArticleProcedurer
Pleural aspiration and chest drain

…coagulopathy or thrombocytopenia Relative Ongoing anticoagulant treatment — plan the aspiration for the trough level or pause the drug according to local practice Relative Skin infection…

ArticleKunskapsbas
🟠 CHADS-VA Bleeding Risk Score

…3718 3726. doi:10.1093/eurheartj/ehad456. Stroke Risk Stratification: CHA₂DS₂ VA or CHA₂DS₂ VASc? Heart Lung Circ . 2018;27(12):1478 1480. doi:10…

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

[calc_123lqts] Long QT Syndrome (LQTS) is an inherited cardiac channelopathy characterized by prolonged ventricular repolarization, which predisposes individuals to malignant ventricular arrhythmias, notably torsade…

ArticleEchocardiography
Pericardial Effusion & Cardiac tamponade

Echocardiography Pericardial diseases: effusion and tamponade A long series of conditions can affect the pericardium (pericardium). The most common of these are acute pericarditis (perimyocarditis…

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

5 Year Risk of Life Threatening Ventricular Arrhythmias [calc_123lqts] Long QT Syndrome (LQTS) is an inherited cardiac channelopathy characterized by prolonged ventricular repolarization, which…

ArticleArrhythmias and arrhythmology
Acquired QT Prolongation and Drug-Induced Arrhythmia

Arrhythmias and arrhythmology Drugs and electrolyte imbalance ECG Definition and Pathophysiology Acquired long QT syndrome (LQTS) is characterised by an abnormal prolongation of the QT…

ArticleProcedurer
Urinary catheterisation

…and dangerous in a few. The male urethra is about 25 cm long with two curves and a prostate that can grip; the female urethra…

ArticleKunskapsbas
🟠 SYNTAX Score II

…an advanced version of the original SYNTAX Score, designed to improve the prediction of long term outcomes after revascularization. It incorporates both anatomical (from the…

ArticleCardiology
Bempedoic Acid: Evidence and Clinical Use

…despite maximally tolerated therapy. It is a prodrug activated predominantly in the liver by very long chain acyl CoA synthetase 1. This activating enzyme is…

ArticleEchocardiography
Aortic stenosis

…while simultaneously affecting systemic perfusion. Aortic stenosis is a serious condition with poor long term outcomes. Patients with low flow low gradient aortic stenosis (discussed…

ArticleEchocardiography
Cardiac tumors

…on the coronary arteries. The tumors can be asymptomatic for a long time and be detected randomly when investigating other conditions. More dramatic onset of…

ArticleEchocardiography
Tachycardia induced cardiomyopathy

…may also develop tachycardia induced cardiomyopathy (Gopinnathair et al). Long term prognosis is excellent, with the vast majority of patients recovering completely after restoration of…

ArticleEchocardiography
Two-dimensional (2D) echocardiography

…Two dimensional echocardiogram. This view is called parasternal long axis view (PLAX). Structures that are closest to the transducer are placed at the top of…

ArticleEndokrinologi & metabolism
Inpatient insulin therapy: quick reference

…few days. Principles Insulin component Function Who needs it : : : Basal insulin (intermediate or long acting) Covers fasting glucose production Everyone with type 1 diabetes, always…

ArticleReferensvärden
Intensive care parameters

…< 20 kPa (150 mmHg), and permissive hypercapnia as long as the pH stays above about 7.20. Different targets apply when the intracranial pressure…