60+ träffar

ArticleProcedurer
Short Synacthen test

…steroid that cross reacts in the cortisol assay, whether the samples were taken at the right times, and whether you know which decision threshold your…

ArticleProcedurer
Leg ulcers — wound debridement and compression therapy

…Variable, often deep Pain Moderate, relieved by elevation Severe, worse on elevation, better when dependent Often painless (neuropathy) Surrounding skin Hyperpigmentation, oedema, lipodermatosclerosis, eczema Pale…

ArticleProcedurer
Transcutaneous and transvenous pacing

…pads would go. Transvenous pacing: the relative contraindications are the same as for a central venous catheter — coagulopathy, infection at the puncture site, known thrombosis…

ArticleCardiology
Pulmonary Embolism (PE)

…the pulmonary valve into the main pulmonary artery. Depending on the size and form of the thrombus, it will occlude the main pulmonary artery or…

ArticleProcedurer
Exercise stress test on cycle ergometer

…first Blood pressure 200/110 mmHg at rest Treat first Electrolyte disturbance Correct Second or third degree AV block Depending on the indication Marked anaemia…

ArticleCPR
Introduction to cardiac arrest

…Depending on the cause of the arrest, other units may be critical (e.g. trauma unit). Careful and evidence based planning at the societal level…

ArticleKunskapsbas
🟠 Reference values for adult ECG

…or wide QRS complexes, depending on its origin. There is no relation between P waves and the escape rhythm's QRS complexes, and atrial rhythm…

ArticleEchocardiography
Left Ventricular Function

…and rather complex. Indeed, myocardial mechanics constitute a whole research field. Cardiac function is also dependent on circulatory, pulmonary, renal and neurohormonal factors. These factors…

ArticleReferensvärden
Anthropometric measurements

Referensvärden BMI is a population measure that performs poorly at the level of the individual: it does not distinguish muscle from fat and takes no…

ArticleKunskapsbas
🟠 Nitroglycerin

…Flushing. Palpitations. Tolerance with prolonged use. Methemoglobinemia. Hypoxemia. Caution Proceed with caution in afterload dependent conditions. Nitroglycerin doses and administration in hypertension (hypertensive crisis/emergency).

ArticleKunskapsbas
🟠 Nitroprusside

…avoid cyanide toxicity. • Dose dependent reduction in coronary and renal perfusion. • Dose dependent elevation of intracranial pressure (ICP) and reduction in cerebral blood flow. Caution …

ArticleArrhythmias and arrhythmology
Acquired QT Prolongation and Drug-Induced Arrhythmia

…The electrophysiological mechanism underlying TdP involves prolonged ventricular repolarisation, which allows for the recovery of time dependent inward currents. This process creates early afterdepolarisations (EADs)…

ArticleCardiology
Cardiovascular Risk in Women: Sex-Specific Factors

…risk, access to care, clinical assessment and treatment. These influences are particularly important because women have historically been perceived as being at lower cardiovascular risk…

ArticleCardiology
Inclisiran and Emerging Lipid-Lowering Agents

…PCSK9 synthesis decreases circulating PCSK9, increases the availability of hepatic low density lipoprotein cholesterol (LDL C) receptors at the cell surface, and thereby enhances removal…

ArticleMyocardial ischemia and infarction
Unstable Angina: Definition and Contemporary Management

…ischemia and infarction Definition and Pathophysiology Unstable angina (UA) is an acute coronary syndrome characterized by myocardial ischaemia occurring at rest or with minimal exertion…

ArticleCardiology
Antiarrhythmic drugs in ventricular tachyarrhythmias

…VT) Ventricular arrhythmia Definition and classification Ventricular tachycardia (VT) Definition : ≥3 consecutive QRS complexes generated in the ventricles at 100 bpm (cycle length: <600 ms)…

ArticleEchocardiography
Doppler effect and Doppler echocardiography

…away from the transducer. Objects moving towards the transducer will compress the sound waves and reflect them at a higher frequency. Objects moving away from…

ArticleEchocardiography
Pulmonary stenosis

…disease. The stenosis can be fixed or dynamic, depending on the underlying etiology. Pulmonary stenosis can be valvular (i.e stenosis localized in the valve)…

ArticleArrhythmias and arrhythmology
Sotalol: Initiation, QT Monitoring and Renal Dosing

…action potential. This action potential prolongation exhibits reverse use dependence, meaning the repolarization time is extended to a greater degree at slower heart rates. Sotalol…

ArticleMyocardial ischemia and infarction
Type 2 Myocardial Infarction: Mechanisms and Management

…involve coronary or non coronary factors, and ischaemic thresholds vary substantially between individuals depending on the magnitude of the stressor, the presence of non cardiac…

ArticleECG
Interpretation of Pacemaker ECG

…modern devices are capable of transmitting ECG tracings continuously to cloud based platforms, which enables the clinician to examine intracardiac ECGs at any time. However…

ArticleEchocardiography
Performing Echocardiographic Examinations

…the ultrasound beam. The operator can sit on either side of the patient, depending on preferences. The operator should have an elbow rest, and also…

ArticleProcedurer
Oxygen therapy

…why, or the patient at risk of carbon dioxide retention is given 15 litres on a reservoir mask and drifts off into a respiratory acidosis…

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…disease Consider palliative care Right ventricular failure is characterized by increased right atrial and right ventricular pressures with systemic congestion. Interventricular dependence may impair left…

ArticleEchocardiography
Artifacts in ultrasound imaging

…boundaries represent acoustic reflectors at which some of the ultrasound energy is reflected and the remainder continues through the tissues. Depending on the difference in…