60+ träffar

ArticleProcedurer
Dix–Hallpike test and Epley manoeuvre

…A single central feature is enough to proceed with urgent investigation , and a normal CT of the brain does not exclude an infarction in the…

ArticleECG
Pediatric aspects of ECG leads & anatomy

…ECGs in pediatric patients is slightly different from adults, due to obvious anatomical differences. There are, however, no differences regarding the ECG grid. As in…

ArticleProcedurer
Transcutaneous and transvenous pacing

…lead is in place — but only if it is working, and the commonest source of error is believing that it is. Twitching of the chest…

ArticleProcedurer
Lumbar puncture

…how the patient is positioned, which needle is chosen, and that the tubes go to the right place. In suspected bacterial meningitis it is the…

ArticleProcedurer
Oxygen therapy

…washes nitrogen out of the pleural air and speeds resorption. Other conditions in which high flow oxygen is given irrespective of the saturation according to…

ArticleProcedurer
Soft tissue corticosteroid injection

…or other infection over the injection site. Bacteraemia or suspected septic bursitis or arthritis. A joint prosthesis in the adjacent joint. Known hypersensitivity to the…

ArticleEchocardiography
Pericardial Effusion & Cardiac tamponade

…effusion is detected randomly (for example, in CT, MRI, echocardiography). In other cases, the effusion is detected under more dramatic circumstances, as is the ca

ArticleProcedurer
Abscess incision and drainage

…Local anaesthesia works poorly in inflamed tissue — the acidic environment inactivates the anaesthetic. Place a field block in healthy skin around the abscess instead of…

ArticleProcedurer
Ankle-brachial index (ABI)

…in the same way as on the arm. 4. Posterior tibial artery — behind the medial malleolus. Measure. 5. Repeat on the other leg. If the…

ArticleCardiology
Inclisiran and Emerging Lipid-Lowering Agents

…other LDL C lowering drugs, when additional LDL C reduction is required, including in patients with atherosclerotic cardiovascular disease (ASCVD) or heterozygous familial hypercholesterolaemia. The…

ArticleProcedurer
Bone marrow aspiration and biopsy

…4. Make a small skin incision with the scalpel. 5. Aspiration: advance the needle with the stylet in place perpendicular to the bone surface, angled…

ArticleEchocardiography
Two-dimensional (2D) echocardiography

…sequential activation of the piezoelectric crystals. The crystals are activated from one side to the other, as illustrated in Figure 2. The sequence of activation…

ArticleProcedurer
Gastric lavage and activated charcoal

…stabilise first The induction of vomiting has no place in the modern treatment of poisoning. Charcoal also does not bind every poison. With the following…

ArticleMyocardial ischemia and infarction
Posterior acute myocardial infarction (STEMI)

…inferobasal) transmural ischemia causes reciprocal ST segment depressions in V1–V3 (occasionally V4). Leads V7–V9 must be placed to reveal the ST segment elevations…

ArticleECG
Assessment of Pacemaker Malfunction

…the lead in the other chamber, resulting in inappropriate inhibition of the pacemaker in the latter chamber. This type of oversensing is referred to as…

ArticleEchocardiography
Tissue Doppler (Tissue Velocity Imaging)

…sample volume in the mitral valve plane. Color Tissue Doppler Color tissue Doppler analyzes myocardial velocities within a color sector. Myocardium moving towards the transducer…

ArticleEchocardiography
Doppler effect and Doppler echocardiography

…then the frequency of the reflected sound waves will differ from the emitted sound waves. The change in frequency is referred to as the Doppler…

ArticleECG
Interpretation of Pacemaker ECG

…As mentioned above, this is similar to the situation in left bundle branch block (LBBB), which explains why paced QRS complexes are similar to the…

ArticleECG
Other ECG changes in ischemia and infarction

…as in Figure 1 . Any type of infarction may cause pathological R wave progression. However, the specificity for pathological R wave progression is considerably lower…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…antibiotics on the basis of sputum purulence, the other cardinal symptoms and the severity of the illness. 7. Start NIV without undue delay in persistent…

ArticleInfo
🟠 Ticagrelor (Brilinta, Brilique)

…in the test. Information about concurrent ticagrelor treatment is required for interpreting platelet function tests for HIT. Other cosiderations Based on a relationship observed in…

ArticleKunskapsbas
🟠 Aspirin (Acetylsalicylic acid)

…80 mg tablet once daily. Warnings and precautions Use Aspirin with caution in the following cases: Concurrent anticoagulant therapy (e.g., coumarin derivatives or heparin…

ArticleCardiology
Aspirin in Primary Prevention: Current Recommendations

…its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention…

ArticleEchocardiography
Continuous Wave Doppler (CW Doppler)

… one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave Doppler and pulsed wave Doppler is…

ArticleReferensvärden
Anthropometric measurements

…index 15–19 kg/m² 17–22 kg/m² Ideal and dosing weight Drug dosing often requires a weight other than the actual body weight…

ArticleProcedurer
Central venous catheter

…controlled. Contraindications In life threatening conditions all contraindications are relative — but they govern which site is chosen. Infection, burns or trauma over the insertion site…

ArticleProcedurer
Cryotherapy of skin lesions

…why the margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis. A lesion in which…