This open access book presents a wide portfolio of examples of positron emission tomography coupled with computer tomography (PET/CT) studies in various cardiac conditions in order to provide a rationale for the implementation of this technology in an array of clinical conditions. Cardiovascular diseases are a major contributor to premature morbidity and mortality worldwide. Low- and middle-income countries (LMICs) are particularly affected by cardiovascular diseases (CVDs), with more than 75% of all CVDs deaths occurring in these countries.

This practical guide to allergology, written by a team of experts in the field, covers essential topics in allergy diagnosis and treatment. It includes detailed chapters on basic immunology, the significance of panallergens, in vivo and in vitro diagnostic tests, respiratory functional exploration, differential diagnosis of allergic diseases, and specific conditions such as bronchial asthma, atopic dermatitis, and food allergies.