Unplanned Pregnancy
Chapter 169 Unplanned Pregnancy Cara Cohen Definition and Epidemiology The term unplanned pregnancy is defined as a pregnancy that is undesired at the time of conception or that is mistimed…
Hemoptysis
Chapter 108 Hemoptysis Natalie Nicole Carrier Definition and Epidemiology Hemoptysis refers to the expectoration of blood from the lung parenchyma or airways. It can range from a small amount of…
Pelvic Inflammatory Disease
Chapter 167 Pelvic Inflammatory Disease Sheila Ann Medina Definition and Epidemiology Pelvic inflammatory disease (PID) refers to a spectrum of inflammatory disorders of the upper genital tract in women. It…
Sexual Dysfunction (Female)
Chapter 168 Sexual Dysfunction (Female) Sheila Ann Medina Definition and Epidemiology Sexual health plays an integral role in overall health, yet it is often overlooked and undertreated. Sexual dysfunction is…
Pap Test Abnormalities
Chapter 166 Pap Test Abnormalities Michelle Collins Definition and Epidemiology The Papanicolaou (Pap) test is a screening test for cervical cancer that involves collection of exfoliated cervical cells for cytologic…
Pneumothorax
Chapter 112 Pneumothorax Nena Tucker Definition and Epidemiology Pneumothorax is defined as the presence of air in the pleural space leading to a loss of negative intrathoracic pressure.1 Processes leading…
Nasolacrimal Duct Obstruction and Dacryocystitis
Chapter 76 Nasolacrimal Duct Obstruction and Dacryocystitis Audrey C. Ko, James T. Banta Definition and Epidemiology The nasolacrimal duct, commonly known as the tear duct, is a tubular structure that…
Lung Cancer
Chapter 109 Lung Cancer Alexander Fuld Definition and Epidemiology Lung cancer, also referred to as bronchogenic carcinoma, encompasses multiple malignancies involving the lung or airways. The vast majority of lung…
