LRA-213 Week 3 Chest and Abdomen Pathology Flashcards
define COPD (chronic obstructive pulmonary disease)
obstruction of the airways that usually causes difficulty in emptying the lungs of air
what causes COPD (chronic obstructive pulmonary disease)?
- emphysema
- chronic bronchitis
- smoking
what is another type of COPD?
asthma
what chest exams are usually done for someone who has COPD?
PA and lateral chest
define emphysema
- irreversible and chronic lung disease
- air spaces in the alveoli become greatly enlarged
- Air tends not to be expelled during expiration, resulting in seriously labored breathing with impedance of gas exchange within the lungs
what causes emphysema?
- alveolar wall destruction
- loss of alveolar elasticity
- smoking
- long term dust inhalation
how does emphysema appear on a radiograph?
- increased lung dimension
- barrel chest
- depressed and flattened diaphragm obscuring costophrenic angles
- elongated heart shadow
- lung field appears radiolucent
what chest radiography needs to be done for someone with emphysema?
PA and lateral chest
for someone with emphysema, what changes are made in the technique?
- significantly decreased
- depends on severity
define malignant lung cancer
- new growth or tumor in the lung field
what causes malignant lung cancer
- smoking
- bronchogenic carcinoma
- alveolar cell carcinoma
how is lung cancer seen in radiographs?
slight shadows, larger radiopaque masses
what chest exams are done for malignant lung cancer?
- PA, lateral, CT scans
define pleurisy
- inflammation of the lungs
what causes pleurisy
- virus
- bacterium
- visceral and parietal pleura rubbing together during respiration