Notes Diagnoses & Therapeutics III RESPIRATORY DISORDERS CASE STUDY

Notes Diagnoses & Therapeutics III RESPIRATORY DISORDERS CASE STUDY

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Notes Diagnoses & Therapeutics III : RESPIRATORY DISORDERS CASE STUDY CASE STUDY I have a patient with wheezing. How do I determine the cause? Mr. Collins is a 32-year old AA male with occasional wheezing. What is the differential diagnosis of wheezing? Wheezing and stridor are symptoms of airflow obstruction. These sounds are caused by the vibration of the walls of pathologically narrow airways. DIFFERENTIAL DIAGNOSIS Proximal airways Foreign body aspiration Bronchitis Distal airways Asthma COPD Pulmonary edema PE Bronchiectasis Mr. C. has been having symptoms for 1-2 years. His symptoms have always been so mild that he has never sought care. Over the last month he has been more symptomatic with wheezing, chest tightness, and SOB.
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Unformatted text preview: • His symptoms are worse with exercise and worse at night. • He notes that he often goes days without symptoms. TESTS • What tests need to be ordered? • Peak flow • PFT’s • Meth choline challenge • Response to treatment PHYSCIAL EXAM • On physical exam he appears well. • His vital signs are 120/76 mm Hg, RR 14, HR 72, afebrile. • His lung exam is normal without wheezing or prolonged expiratory phase. • His peak flow is 550 L/min or 87% of predicted. AIRWAY FUNCTION • Airway function is most commonly measured with peak expiratory flow (PEF’s). • Values are generally lowest in the morning and highest in mid-day. • PEF will vary by more than 20% in asthmatic patients over the course of the day....
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  • Spring '14
  • SUSANKRENITSY-KORN
  • Differential diagnosis, Respiratory Disorders Case, occasional wheezing, pathologically narrow airways, Diagnoses & Therapeutics

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