Ebook Echo made easy (3/E): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Echo made easy (3/E): Part 2
Ebook Echo made easy (3/E): Part 2
https://khothuvien.cori!W PulmonaryHypertensionPulmonary arterial hypertension (PAH) is far less common than systemic hypertension and is often a cons Ebook Echo made easy (3/E): Part 2sequence of chronic lung disease.DETECTION OF PULMONARY HYPERTENSIONM-Mode PV Level•The pulmonary valve leaflet shows flattening or loss of the normal presystolic ‘a’ wave.•Due to high pulmonary artery pressure, right atrial contraction in pre-systole has no effect on the pulmonary valve.•There is a Ebook Echo made easy (3/E): Part 2 mid-systolic notch due to brief closure of the valve in early systole and reopening in late systole (Fig. 10.1)•The ratio between pre-ejection periodEbook Echo made easy (3/E): Part 2
(PEP) and right ventricular ejection time (RVET) exceeds 0.4.•This is due to prolonged isovolumic RV contraction since the right ventricular pressurehttps://khothuvien.cori!W PulmonaryHypertensionPulmonary arterial hypertension (PAH) is far less common than systemic hypertension and is often a cons Ebook Echo made easy (3/E): Part 2ertrophy, where the RV free wall thickness is more than 5 mm (Fig. 10.2).132Echo Made EasyFig. 10.1: M-mode tracing of the pulmonary leaflet showing:•flattened ‘a’ wave•mid-systolic notch•prolonged pre-ejection period (PEP) prior to RV ejection time (RVET)•Paradoxical motion of interventricular sept Ebook Echo made easy (3/E): Part 2um (IVS) is observed. The IVS moves away from the left ventricle and towards the right ventricle in systole (Fig. 10.2).•The I VS seems to be a part oEbook Echo made easy (3/E): Part 2
f the right ventricle which here, has a greater stroke volume than the left ventricle.2-D Echo PSAX View•The pulmonary artery is dilated. The diameterhttps://khothuvien.cori!W PulmonaryHypertensionPulmonary arterial hypertension (PAH) is far less common than systemic hypertension and is often a cons Ebook Echo made easy (3/E): Part 2rousers” appearance (Fig. 10.3).•At the level of the mitral valve, associated mitral stenosis may be diagnosed.2-D Echo AP4CH View•In this view, there is dilatation of the right ventricle and the right atrium. The enlarged right ventricle loses its triangular shape and becomes globular.Pulmonary Hyp Ebook Echo made easy (3/E): Part 2ertension133Fig. 10.2: M-mode scan of the ventricles showing:•dilatation of the right ventricle•paradoxical motion of septumFig. 10.3: PSAX view showiEbook Echo made easy (3/E): Part 2
ng a dilated pulmonary artery134Echo Made Easy•The presence of an atrial septal defect or ventricular septal defect may be picked up.https://khothuvien.cori!W PulmonaryHypertensionPulmonary arterial hypertension (PAH) is far less common than systemic hypertension and is often a conshttps://khothuvien.cori!W PulmonaryHypertensionPulmonary arterial hypertension (PAH) is far less common than systemic hypertension and is often a consGọi ngay
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