60+ träffar

ArticleCardiology
Myocardial Perfusion Imaging With SPECT and PET

…account for attenuation and other technical factors. Relative perfusion assessment has an important limitation: it requires a normally perfused reference territory. In diffuse coronary disease…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…sputum purulence, the other cardinal symptoms and the severity of the illness. 7. Start NIV without undue delay in persistent hypercapnic respiratory acidosis, if invasive…

ArticleProcedurer
Soft tissue corticosteroid injection

…Cellulitis, a skin wound or other infection over the injection site. Bacteraemia or suspected septic bursitis or arthritis. A joint prosthesis in the adjacent joint…

ArticleProcedurer
Bone marrow aspiration and biopsy

…compression. Infection in the skin overlying the puncture site. Previous pelvic irradiation on the intended side (yields fibrotic, unrepresentative marrow — choose the other side). A…

ArticleProcedurer
Central venous catheter

…govern which site is chosen. Infection, burns or trauma over the insertion site. Thrombosis or known stenosis in the target vessel. Coagulopathy or ongoing anticoagulation…

ArticleProcedurer
Urinary alkalinisation

…routinely recommended — alkaline urine increases the precipitation of calcium phosphate. Contraindications Hypokalaemia — must be corrected first or in parallel; otherwise the treatment is ineffective. Hypocalcaemia …

ArticleProcedurer
Lumbar puncture

…neuroborreliosis, neurosyphilis or another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome, autoimmune encephalitis. Meningeal carcinomatosis and CNS involvement in haematological malignancy. Investigation…

ArticleProcedurer
Transcutaneous and transvenous pacing

…for a central venous catheter — coagulopathy, infection at the puncture site, known thrombosis in the target vein. With a mechanical tricuspid prosthesis the lead must…

ArticleProcedurer
Abscess incision and drainage

…in the groin or on the neck Bleeding, vascular injury, pseudoaneurysm Surgeon, ultrasound first Other situations that argue for the operating theatre rather than the…

ArticleNeurologi
Acute stroke and thrombolysis: quick reference

…ischaemic changes CT angiography The standard investigation in acute stroke to identify large vessel occlusion, dissection or other vascular pathology CT perfusion Used with an…

ArticleProcedurer
Gastric lavage and activated charcoal

…lighter fluid Others Cyanide, boric acid, fluoride Preparation and equipment Medicinal charcoal as a ready made suspension or as a powder for suspension in water…

ArticleInfo
🟠 Ticagrelor (Brilinta, Brilique)

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

ArticleProcedurer
Dix–Hallpike test and Epley manoeuvre

…spot, in three minutes, without drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The…

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

…upper gastrointestinal disease Hepatic or renal disease Multiple cardiovascular risk factors Concomitant nonsteroidal anti inflammatory drugs Corticosteroid therapy Other antiplatelet or antithrombotic drugs Selective serotonin…

ArticleEchocardiography
Continuous Wave Doppler (CW Doppler)

Echocardiography Continuous Wave Doppler In continuous wave Doppler (CW Doppler), ultrasound waves are continuously emitted from the transducer and the reflections of these waves are…

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
Cryotherapy of skin lesions

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

ArticleProcedurer
Edrophonium test

…That makes the test useful only if you have selected an objectively measurable finding in advance — usually ptosis or fatigable gaze palsy — that can be…

ArticleKardiologi
Hypertensive crisis: drugs and doses

Kardiologi Akutsjukvård Intensivvård Lathundar Clinical use This overview is a quick reference to the intravenous antihypertensive drugs used in a hypertensive emergency. It summarises the…

ArticleReferensvärden
Liver parameters

…Drug induced liver injury is the commonest cause Isolated bilirubin Unconjugated, the others normal Gilbert's syndrome, haemolysis The R value = (ALT / upper limit…

ArticleProcedurer
Pericardiocentesis

…counterpart of pulsus paradoxus Contraindications In overt tamponade with shock there are no absolute contraindications other than the conditions in which the procedure is the…

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

…risk factor for stroke in AF patients. Evidence suggests that the increased stroke risk in women is more closely associated with other comorbidities and age…