60+ träffar

ArticleMyocardial ischemia and infarction
In-Stent Restenosis: Mechanisms and Treatment

…In contemporary practice, ISR remains the most frequent cause of PCI failure, despite its substantially lower incidence with drug eluting stents (DES) than with bare…

ArticleECG
Assessment of Pacemaker Malfunction

…the leads. External causes are less common and include electrolyte disorders, metabolic disorders, hypoxemia, antiarrhythmic drugs, or electromagnetic disturbance caused by other machines/devices. Below…

ArticleCPR
Causes of sudden cardiac arrest

…a result of external causes, for example foreign body, hanging or strangulation. Drug overdose Intentional or accidental overdose of medications, drugs or other substances (including…

ArticleMyocardial ischemia and infarction
Intravascular Imaging: IVUS and OCT for PCI Optimisation

…tissue prolapse, thrombus, or other acute complications; investigation of restenosis and stent thrombosis. Intravascular imaging may also clarify the mechanism of an acute coronary syndrome…

ArticleCPR
Arrhythmias before and during cardiac arrest

…cardiac arrests caused by chronic or acute ischemic heart disease, it is often not true in other circumstances (e.g. pulmonary embolism, trauma, respiratory causes…

ArticleCPR
Terminology of sudden cardiac arrest and resuscitation

…fibrillation, ventricular tachycardia, and other tachyarrhythmias with discernible QRS complexes. Shockable rhythm : Tachyarrhythmias that can be treated with defibrillation (ventricular fibrillation) or cardioversion (ventricular tachycardia)…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood…

ArticleInfo
🟠 Ticagrelor (Brilinta, Brilique)

…administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for…

ArticleProcedurer
Dix–Hallpike test and Epley manoeuvre

Procedurer Benign paroxysmal positional vertigo is the commonest cause of vertigo in primary care and one of the few diagnoses that can be cured on…

ArticleKunskapsbas
🟠 Aspirin (Acetylsalicylic acid)

…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…

ArticleEchocardiography
Continuous Wave Doppler (CW Doppler)

…two different sets of piezoelectric crystals; one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave…

ArticleReferensvärden
Anthropometric measurements

…and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist / hip Men 0.90, women 0.85 = abdominal…

ArticleProcedurer
Bone marrow aspiration and biopsy

…Previous pelvic irradiation on the intended side (yields fibrotic, unrepresentative marrow — choose the other side). A patient who cannot lie still — plan for sedation rather…

ArticleProcedurer
Central venous catheter

…incompatible infusions. Haemodialysis, plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure…

ArticleProcedurer
Cryotherapy of skin lesions

…moment the spray starts. Let the tissue thaw completely between cycles — it is the freeze–thaw–freeze cycle that causes cell death, not the cold…

ArticleProcedurer
Edrophonium test

…sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked obstructive airways disease — relative; the risk of bronchospasm is real…

ArticleKardiologi
Hypertensive crisis: drugs and doses

…Too rapid a normalisation can therefore cause cerebral, coronary or renal ischaemia. Neurological status, urine output, creatinine, acid–base status and signs of myocardial ischaemia…

ArticleReferensvärden
Liver parameters

…biliary cholangitis, drugs Mixed Both raised Drug induced liver injury is the commonest cause Isolated bilirubin Unconjugated, the others normal Gilbert's syndrome, haemolysis The…

ArticleProcedurer
Pericardiocentesis

…litre that has accumulated slowly can be asymptomatic, while 150 mL collected over an hour causes tamponade. The indication rests on the clinical picture together…

ArticleProcedurer
Soft tissue corticosteroid injection

…a sufficient effect. Contraindications Absolute: Cellulitis, a skin wound or other infection over the injection site. Bacteraemia or suspected septic bursitis or arthritis. A joint…

ArticleProcedurer
Transcutaneous and transvenous pacing

…small cuts cause burning pain. 2. Position the pads, preferably anteroposteriorly : one anteriorly over the praecordium to the left of the sternum, the other on…

ArticleProcedurer
Urinary alkalinisation

…is disputed and practice differs between units. Poisoning with other weak acids where the poison control centre recommends it, for example certain phenoxy acid herbicides…

ArticleKunskapsbas
🟠 Adjusted aortic root dimension

…Definition of aortic aneurysm Sinus of Valsalva 45 mm. Any other segment 40 mm in diameter. Thresholds for surgery Threshold for surgery Relevant patient category…

ArticleKunskapsbas
🟠 CHADS-VA Bleeding Risk Score

…AF patients. Evidence suggests that the increased stroke risk in women is more closely associated with other comorbidities and age rather than sex alone. Consequently…

ArticleKunskapsbas
🟠 HAS-BLED Score Calculator

…of the type of oral anticoagulant used. Studies have shown that it performs similarly or superiorly to other bleeding risk assessment tools, such as HEMORR2HAGES…

ArticleKunskapsbas
🟠 HEMORR₂HAGES Bleeding Risk Score

…HEMORR₂HAGES score. Comparison with ATRIA and HAS BLED Scores Several studies have compared the predictive performance of HEMORR₂HAGES with other bleeding risk assessment tools, notably…

ArticleEmergency medicine
Acute Coronary Syndrome: Definitions and Initial Triage

Emergency medicine Myocardial ischemia and infarction Definition and pathophysiology Acute coronary syndrome (ACS) comprises a spectrum of clinical presentations caused by suspected acute myocardial ischaemia…