TB pathogenesis | Infectious diseases | NCLEX-RN | Khan Academy

Charles Prober: Hi, I’m Charles Prober. Morgan Theis: I’m Morgan Theis. Charles Prover: Today we’re going to talk about the pathophysiology of tuberculosis, that is how tuberculosis makes people sick. In this cartoon, there is an infected individual shown on the left. That person is coughing or sneezing, and all those little small white dots are particles coming out of […]

Chest Pain in Children

Chest pain in children. In this section, on approach to chest pain in children, we will be discussing the list of differential diagnoses. And then we will be progressing on to learn the approach based on the history, physical examination, and investigations. Chest pain is a common complaint in the emergency department. In pediatrics, unlike the adult population, chest pain […]

Single Center Experience in Transitioning Pulmonary Arterial Hypertension Patients from…

My name is Zeenat Safdar. I’m the director of the Pulmonary Hypertension Program at Houston Methodist Hospital, Weill Cornell Medicine, in Houston, Texas. I’m going to talk about my poster that I presented at ATS 2017. The title of the poster is “Single Center Experience in Transitioning PAH Patients from IV Epoprostenol to Oral Selexipag”. The objective of the study […]

How a heart attack occurs

This animation will show how atherosclerosis develops in the heart. Click the navigation arrows below the animation screen to play, pause, rewind or fast-forward the animation. This animation contains sound. Atherosclerosis is the process by which arteries become gradually narrowed and hardened. If this happens in the arteries that supply the heart it causes coronary heart disease. This can lead […]