Respiratory

Overview Mechanism reversible inhibition of H1 histamine receptors 1st generation Drugs diphenhydramine (Benadryl) dimenhydrinate (Dramamine)

Overview Mechanism competitively antagonizes endothelin-1 receptors    decreases pulmonary vascular resistance  Clinical use pulmonary hypertension

V/Q Ratio “Normal” V/Q = 0.8 V = alveolar ventilation Q = pulmonary blood flow

Overview

Snapshot A 55-year-old male with congestive heart failure, coronary artery disease, and hypertension presents

Overview Snapshot Introduction Presentation Evaluation

Overview Guaifenesin (Robitussin) removes excess sputum does not suppress cough reflex must use large

Snapshot A 77-year-old man is brought in by EMS after waking up in the

Snapshot A 49-year-old man with morbid obesity presents to the clinic complaining of heart

Hypoxemia Hypoxia Ischemia

Introduction Presentation Imaging Studies Treatment Complications

Collagen Vascular Disease Iatrogenic Causes Occupational Causes Idiopathic Pulmonary Fibrosis Pulmonary Alveolar Proteinosis