Reference no: EM133855542

Questions:

1. How does a blockage in a coronary artery cause a heart attack?

2. Why would a septal defect cause a patient to feel tired?

3. How does a coronary artery bypass address the problem of a blocked artery? Why is it often not a permanent solution?

4. Jackson, age 65, comes to the doctor's office complaining of a sharp pain in the right side of his chest. He says his chest hurts when he breathes deeply or coughs. This is a problem, he says, because he has been coughing a lot, has difficulty drawing breath, and feels a tightness in the center of his chest. What condition or conditions might the doctor suspect? What methods of diagnosis would the doctor use, and what specific signs would the doctor look for to pinpoint the cause?

5. Robbie's mother calls a new pediatrician in a panic to report that her 5-year-old son has started a high-pitched, wheezing cough and cannot breathe. They have just moved from the Southwest to the Midwest, where they are renovating an old house. In the past, Robbie occasionally had slight coughs and tired easily, his mother says, but this episode is more alarming. The doctor says Robbie should be taken to a hospital emergency room immediately. What respiratory conditions does the doctor suspect? What may have triggered it?

6. Pulmonary function tests (PFTs) can measure many different aspects of lung function. How can PFTs help to distinguish whether a lung disease is obstructive, restrictive, or both?