60+ träffar

ArticleEchocardiography
Aortic stenosis

…failure) and arrhythmias. The annual risk of sudden cardiac arrest is <1% and median survival is 3 years. Long term prognosis in aortiv stenosis is…

ArticleCardiology
Coronary Anomalies and Myocardial Bridging

…include anomalous aortic origin of a coronary artery (AAOCA), coronary fistulae, and myocardial bridging. Although many are clinically silent, some produce myocardial ischaemia, ventricular arrhythmias…

ArticleCardiology
Cardiac amyloidosis

…Signs and Symptoms Patients often present with symptoms of predominant right heart failure, including lower extremity edema, ascites, and hepatic enlargement [8, 10]. Atrial arrhythmias…

ArticleEchocardiography
Mitral valve stenosis

…circumference of the mitral annulus. The aorto mitral curtain separates the aortic valve and the anterior leaflet of the mitral valve. The anterior leaflet is…

ArticleEchocardiography
Cardiac tumors

…cardiac output by causing obstruction or valve dysfunction. Tumors that grow invasively in the myocardium can cause arrhythmias, which in turn can cause hemodynamic effects…

ArticleEchocardiography
The Coronary Arteries

…originates on the right aspect of the aortic bulb. The left main coronary artery ( LMCA ) originates from the left anterior aspect of the aortic bulb…

ArticleEchocardiography
Tricuspid regurgitation (TR/TI)

…function, which may be the origin of right ventricular dysfunction, must also be evaluated. The pulmonary, aortic and mitral valve must also be evaluated, particularly…

ArticleCPR
Cardiac tamponade causing cardiac arrest

…causes of cardiac tamponade culminating in cardiac arrest include: Aortic dissection : The proximal 4 5 cm of the aortic root is covered within the pericardium…

ArticleEchocardiography
Tricuspid stenosis

…the most common cause, in which scenario tricuspid stenosis is virtually always accompanied by aortic or mitral disease (most commonly mitral stenosis). Simultaneous tricuspid regurgitation…

ArticleProcedurer
Pericardiocentesis

…other than the conditions in which the procedure is the wrong treatment : Aortic dissection with haemopericardium — drainage can increase the bleeding and worsen the prognosis…

ArticleCardiology
Cardiac Tamponade: Recognition and Pericardiocentesis

…mass. Tamponade occurs when intrapericardial pressure equals or exceeds right atrial pressure. The haemodynamic consequences are progressive impairment of right and left sided filling, reduced…

ArticleEchocardiography
Color Doppler

…within a Doppler sector. The picture on the right shows color Doppler located across the mitral valve and the left atrium. The main advantage of…

ArticleEchocardiography
Left ventricular diastolic function

…contracts and ejects blood into the aorta roughly 100,000 times daily, each time overcoming the aortic resistance, which is typically 110 mmHg or more…

ArticleCardiology
Pulmonary Embolism (PE)

…diagnoses; cardiac tamponade, aortic aneurysm and aortic dissection are common differential diagnoses which represent contraindications for thrombolysis. Venous thromboembolism is a chronic and serious condition…

ArticleEchocardiography
Pulmonary stenosis

…Aortic aneurysm : Aortic aneurysms may compresses the RVOT. Echocardiography in pulmonic stenosis In the setting of pulmonary valve stenosis, the pressure in the right ventricle…

ArticleKunskapsbas
🟠 Tricuspid valve

…ZTime velocity integral of the tricuspid inflow (cm) 60 cm Pressure half time (T ½,ms) ≥ 190 ms Right atrium Pressure half time (T ½…

ArticleEmergency medicine
Chest Pain in the Emergency Department: Diagnostic Pathways

…ischaemia , particularly acute coronary syndrome (ACS). Other cardiopulmonary causes , including myopericardial disease, pulmonary embolism, aortic emergencies, and pneumothorax. Non cardiopulmonary causes , including gastrointestinal, musculoskeletal, and…

ArticleEchocardiography
Relaxation of the left ventricle

…aorta. Afterload affects myocardial muscle fibers during systole and diastole. Afterload is a function of the following three variables: Aortic resistance (pressure). Left ventricular volume…

ArticleEchocardiography
M-mode (motion mode) echocardiography

…the following structures: Left ventricular (LV) dimension and function. Right ventricular (RV) dimension and function. RV function can be assessed using TAPSE (Tricuspid Annular Plane…

ArticleKunskapsbas
🟠 Left and right atrium

…m2 22 ± 6 29–33 34–39 40 22 ± 6 29–33 34–39 40 ​BSA, Body surface area; LA, left atrial; RA, right atrial.

ArticleCardiology
Brugada Syndrome: Diagnosis & SCD Prevention

…as a primary inherited arrhythmia syndrome, BrS is characterized by a distinct electrocardiographic (ECG) signature—coved ST segment elevation in the right precordial leads—and…

ArticleProcedurer
Oesophageal ECG

…atrium. An electrode placed in the oesophagus at the right level therefore records atrial depolarisation with an amplitude the surface ECG can never achieve, and…

ArticleProcedurer
Opioid therapy in severe pain

…effect varies tenfold between individuals, and the only way to find the right level is to give a small dose, wait until it has worked…

ArticleProcedurer
Lumbar puncture

…which needle is chosen, and that the tubes go to the right place. In suspected bacterial meningitis it is the time to antibiotics that saves…

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…

ArticleECG
Quiz: ECG in athletes

…B: Prolonged QT interval (QTc ≥ 480 ms for females) C: Incomplete Right Bundle Branch Block (rSR' pattern in lead V1 and qRS pattern in V6…

ArticleEchocardiography
Pulmonary regurgitation

…considered a normal finding. The regurgitation results in blood flowing back from the pulmonary artery into the right ventricle during diastole. The most common cause…

ArticleReferensvärden
ECG parameters

…leads ≥ 1.0 mm V7–V9 (posterior) ≥ 0.5 mm V3R–V4R (right ventricle) ≥ 0.5 mm (≥ 1.0 mm in men < 30 years…

ArticleProcedurer
Endotracheal intubation

…fibreoptic intubation. A difficult airway is anticipated in a stable patient — awake fibreoptic intubation or anaesthetic back up is then the right course, not RSI…