You need an organized, anatomical approach. Step 1: Consider Differential Diagnosis Upper airway Angioedema Foreign body Abscess Lower airway COPD Asthma Alveoli Pneumonia Pulmonary edema Blood Anemia Acidosis DKA Sepsis (lactic acid) Toxins (salicylic acid) Blood vessels Pulmonary embolism Aortic dissection Heart Myocardial infarction Acute heart failure Cardiac tamponade Step 2: Examine Anatomically Upper airway […]
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