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Vasovagal Syncope: Diagnosis, Tilt Testing and Treatment

…assuming an upright posture. Specific triggers are well recognized and include: Provoked fear, pain, anxiety, intense emotion, the sight of blood, unpleasant sights and odors…

Technical aspects of the ultrasound image

…and the whiter the color of the tissue on the ultrasound image. Moving structures (myocardium, blood flow) will alter the characteristics of ultrasound waves (e…

Stroke Volume, VTI (Velocity Time Integral) & Cardiac Output

…it measures how far blood travels during the time period. VTI is also called stroke distance. Figure 2 illustrates the recording of VTI using pulsed…

Hypertrophic Cardiomyopathy (HCM) & Hypertrophic Obstructive Cardiomyopathy (HOCM)

…increased loading conditions. The latter is far more common and the conditions may coexist. A significant percentage of the population has hypertension, and aortic stenosis…

Supraventricular and intraventricular conduction defects in myocardial ischemia and infarction

…third of the right bundle branch run in the endocardium, near the ventricular cavity, and it may to some extent receive oxygen from the blood…

ST-Segment Elevation Myocardial Infarction: Diagnosis and ECG Criteria

…underlying process usually involves acute thrombotic obstruction of an epicardial coronary artery. A vulnerable atherosclerotic plaque and thrombogenic blood interact to initiate and extend thrombosis…

Exercise stress testing in special patient populations

…opportunity to evaluate their performance and symptoms under the supervision of their clinician. Indeed, kinesiophobia (fear of exercising) is common after myocardial infarction and it…

Delirium in older adults: quick reference

…Delirium is common but often missed. On medical and geriatric wards a substantial proportion of older patients are affected, and the incidence is particularly high…

Optimization of the ultrasound image

…high frequency waves. The frequency of the ultrasound wave must generally be reduced in order to visualize objects located far away from the transducer. Hence…

ECG localization of myocardial infarction / ischemia and coronary artery occlusion (culprit)

…far the most common anatomy, occurring in 90% of all individuals. Figure 2 is also important to study, as it shows the arterial supply of…

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