Exam 3 Cardiac And Respiratory Flashcards
(64 cards)
What is the number one risk factor for COPD?
Tobacco
Name some risk factors for COPD
Tobacco Air pollution inside or outside Noxious exposure such as paint Older age Female sex Low socioeconomic status Asthma as a child chronic bronchitis Infections
What is Alpha1 anti-trypsin?
Alpha-1 antitrypsin is a protein that protects the lungs
What does alpha-1 antitrypsin deficiency cause?
It is a genetic issue that can cause liver and lung problems
What is the modified British medical research Council questionnaire?
What does it measure?
It is a subjective measure assessment
It measures the severity of dyspnea
What is the goal diagnostic tool based on?
It is based on PFTs responsiveness to bronchodilators
What is a normal FEV1/FVC ratio?
70% or 0.7
If a patient does not have a response to a bronchodilator what does that mean?
They have COPD and not asthma
The American thoracic society guidelines are utilized for what group of patients?
For patients younger than 65
What medication do they use in a broncho provocation challenge?
Methacholine
What does methacholine do?
What challenges is it a part of?
It is a part of the bronchoprovocation challenge
It narrows airways and triggers an asthma attack
Does the bronchoprovocation challenge have better sensitivity or specificity?
It has better sensitivity and low specificity
The mannitol inhalation challenge Has what In regards to specificity and sensitivity?
It’s better specificity and lower sensitivity
What are some contraindications for spirometry test?
Any surgery within four weeks ago
MI within one week
Arrhythmias, heart failure, hypertension or uncontrolled hypertension, acute cor pulmonale, unstable pulmonary embolism, increase intraocular and intracranial pressure, cerebral aneurysm, recent concussion, increased sinus in middle ear pressure, Pneumothorax, thoracic or abdominal surgery, late term pregnancy, suspected transmissible respiratory or systemic infection, oral secretions that are bleeding
How long should patient’s avoid vaping and smoking or using a pipe before PFT?
One hour before
How long do you patients need to avoid alcohol before a pft?
Eight hours
Patient should avoid vigorous exercise for how long before a PFT?
One hour
What does FVC mean?
Forced vital capacity
What is FEV1 ?
Force expiratory volume in the first second of exhalation
What is TLC?
Total lung capacity
What is RV mean?
Residual volume
How do you do spirometry?
Begin with maximal inhalation, then do a blast of expiration which is FEV1, Continue complete expiration for a maximum of 15 seconds which is your FVC
How many times can you do you spirometry—What is the maximum and minimum attempts?
Repeat my maneuver for at least three times, maximum of eight attempts
What are the normal values for FEV1 and FVC alone?
Greater than 80%