14 träffar

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

…LQT1) and KCNH2 (LQT2), and gain of function mutations in SCN5A (LQT3). These genetic anomalies disrupt the cardiac ion channels, leading to delayed repolarization and…

ArticleKunskapsbas
🟠 1-2-3-LQTS Risk Calculator

…LQT1) and KCNH2 (LQT2), and gain of function mutations in SCN5A (LQT3). These genetic anomalies disrupt the cardiac ion channels, leading to delayed repolarization and…

ArticleCardiology
Diuretic Strategy and Decongestion in Heart Failure

…gain, peripheral edema, early satiety, abdominal distension and, in some patients, bendopnea. Congestion may also aggravate functional mitral regurgitation, ventricular dilatation, myocardial wall stress and…

ArticleCardiology
PCSK9 Inhibitors: Indications, Efficacy and Access

…the rationale for therapeutic inhibition. Gain of function PCSK9 mutations are associated with familial hypercholesterolaemia (FH) and premature coronary heart disease, whereas loss of function…

ArticleEchocardiography
Optimization of the ultrasound image

…gain applied to incoming sound waves. This is done using gain control or time gain compensation (TGC) . Figure 1. TGC (time gain compensation) and gain…

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…is hypoxaemic. Oxygen is not a treatment for dyspnoea as such and must not be given uncontrolled simply because the patient feels breathless. Excessive oxygen…

ArticleProcedurer
Oesophageal ECG

…Set the filter: a frequency range of about 15–40 Hz , and adjust the gain so that the atrial deflections are clear without clipping. 4…

ArticleEchocardiography
Performing Echocardiographic Examinations

…of image quality. The ultrasound transducer is held at the tip, using the thumb and the forefinger, while remaining fingers stabilize the grip. The transducer…