Respiratory Flashcards
Danger Signals
(5)
COVID-19
Lung Cancer
Acute Carbon Monoxide Poisoning
Pulmonary Emboli
Impending Respiratory Failure (Asthmatic Exacerbation)
COVID-19
Infection is caused by the SARS-CoV-2 virus
- Symptoms appear __ to __ days after exposure and may include?
- For some, the presenting symptom is the sudden loss of t____ and/or s____. Some have cold-like symptoms such as sore ___, nasal _____, and rh_____.
- Persons with ______ medical conditions such as heart or lung disease or diabetes are at higher risk of developing more serious ______.
- Most people have mild illness and are able to recover at ____. Advise patient to call their primary care provider for testing instructions and treatment.
- Close contacts need to self-quarantine for a __-day duration. Patients with serious disease (e.g., trouble breathing, confusion) will need ______.
- Symptoms appear 2 to 14 days after exposure and may include?
- For some, the presenting symptom is the sudden loss of taste and/or smell. Some have cold-like symptoms such as sore throat, nasal congestion, and rhinitis.
- Persons with underlying medical conditions such as heart or lung disease or diabetes are at higher risk of developing more serious complications.
- Most people have mild illness and are able to recover at home. Advise patient to call their primary care provider for testing instructions and treatment.
- Close contacts need to self-quarantine for a 14-day duration. Patients with serious disease (e.g., trouble breathing, confusion) will need hospitalization.
Lung Cancer
Symptoms depend on location(s) and tumor metastases.
- Majority of patients already have ad_____ disease on presentation.
- _____ (50%–75%) in a smoker or former smoker that persists should raise suspicion.
- _____tysis and dys____ may accompany cough.
- Some have ____ pain, which is described as a d___, a___, persistent pain; some have shoulder and/or b____ pain.
- Recurrent _____ on the same lobe might be a sign of local tumor obstruction.
- Can present with ____ loss, an_____, fa___, and f____.
- ______ syndrome (pupil constriction with ptosis) is present in some patients.
Symptoms depend on location(s) and tumor metastases.
- Majority of patients already have advanced disease on presentation.
- Cough (50%–75%) in a smoker or former smoker that persists should raise suspicion.
- Hemoptysis and dyspnea may accompany cough.
- Some have chest pain, which is described as a dull, achy, persistent pain; some have shoulder and/or bone pain.
- Recurrent pneumonia on the same lobe might be a sign of local tumor obstruction.
- Can present with weight loss, anorexia, fatigue, and fever.
- Horner syndrome (pupil constriction with ptosis) is present in some patients.
Lung Cancer
- (1)* most common type of lung cancer (85%).
- Screening test for lung cancer is (1)*?
- The test is recommended for adults age __ to __ years who are chronic ____ (or quit smoking ).
- Non–small-cell lung cancer is the most common type (85%).
- Screening test for lung cancer is an annual low-dose computed tomography (LDCT) of the lung.
- The test is recommended for adults age 55 to 80 years who are chronic smokers (or quit smoking <15 years previously).
ACUTE CARBON MONOXIDE POISONING
- Mild-to-moderate cases of carbon monoxide poisoning can present with (1), the most common symptom.
- It can be accompanied by nausea, malaise, and dizziness. In some cases, it may resemble a viral (1) infection (URI).
- Symptoms are variable and can range from mild con____ to co__. There may be a cherry-___appearance of the skin and lips, but it is considered an “insensitive sign.”
- Severe toxicity can present with se____, syncope, or coma.
- Diagnosis is based on history and physical examination in conjunction with elevated carboxyhemoglobin level measured by __oximetry of an ____ blood gas sample. A venous sample can be used, but it is less accurate.
- Mild-to-moderate cases of carbon monoxide poisoning can present with headache, the most common symptom.
- It can be accompanied by nausea, malaise, and dizziness. In some cases, it may resemble a viral upper respiratory infection (URI).
- Symptoms are variable and can range from mild confusion to coma. There may be a cherry-red appearance of the skin and lips, but it is considered an “insensitive sign.”
- Severe toxicity can present with seizures, syncope, or coma.
- Diagnosis is based on history and physical examination in conjunction with elevated carboxyhemoglobin level measured by cooximetry of an arterial blood gas sample. A venous sample can be used, but it is less accurate.
PULMONARY EMBOLI
- An older adult complains of _____ onset of dyspnea and coughing. Cough may be productive of ___-tinged f____ sputum.
- Other symptoms are ____cardia, pallor, and feelings of impending ____.
- Any condition that increases risk of blood ____ will increase risk of pulmonary embolism (PE).
- These patients have a history of atrial _____, es_____ therapy, sm____, surgery, cancer, pr_____, long bone ______, and prolonged in_____.
- An older adult complains of sudden onset of dyspnea and coughing. Cough may be productive of pink-tinged frothy sputum.
- Other symptoms are tachycardia, pallor, and feelings of impending doom.
- Any condition that increases risk of blood clots will increase risk of pulmonary embolism (PE).
- These patients have a history of atrial fibrillation, estrogen therapy, smoking, surgery, cancer, pregnancy, long bone fractures, and prolonged inactivity.
IMPENDING RESPIRATORY FAILURE (ASTHMATIC EXACERBATION)
- An asthmatic patient presents with tachypnea (>20 breaths/min), tachycardia or bradycardia, c_____, and anxiety.
- The patient appears exhausted, fatigued, and diaphoretic and uses ______muscles to help with breathing.
- Physical exam reveals cyanosis and “_____” lungs with no wheezing or breath sounds audible.
- When speaking, the patient may speak only ___ or two words (cannot form complete sentence because needs to breathe).
- An asthmatic patient presents with tachypnea (>20 breaths/min), tachycardia or bradycardia, cyanosis, and anxiety.
- The patient appears exhausted, fatigued, and diaphoretic and uses accessory muscles to help with breathing.
- Physical exam reveals cyanosis and “quiet” lungs with no wheezing or breath sounds audible.
- When speaking, the patient may speak only one or two words (cannot form complete sentence because needs to breathe).
IMPENDING RESPIRATORY FAILURE (ASTHMATIC EXACERBATION)
Treatment Plan
(1) injection stat.
Call (1).
Oxygen at __ to __ L/min;
(1) nebulizer treatments
parenteral (1)
antihistamines (1)
H2 antagonist (1).
After treatment, what is a good sign?
What is the patient then discharged with?
Adrenaline injection stat.
Call 911.
Oxygen at 4 to 5 L/min;
albuterol nebulizer treatments
parenteral steroids
antihistamines (diphenhydramine)
H2 antagonist (cimetidine).
After treatment, a good sign is if breath sounds and wheezing are present (a sign that bronchi are opening).
Usually discharged with oral steroids for several days (e.g., Medrol Dose Pack).
Normal Breath Sounds
- Lower lobes:* ______ breath sounds (soft and low)
- Upper lobes:* ______ breath sounds (louder)
- Lower lobes:* Vesicular breath sounds (soft and low)
- Upper lobes:* Bronchial breath sounds (louder)
Normal Respiratory Rate
=
- Women tend to have slightly ____ rates than men.
- A very small increase in partial pressure of carbon dioxide (PaCO2) will affect the respiratory rate. But high levels of carbon dioxide (>70–80 mmHg) can _____ respiration and cause head_____, restlessness, un______, and d_____.
In adults is 14 to 18 breaths/min.
- Women tend to have slightly higher rates than men.
- A very small increase in partial pressure of carbon dioxide (PaCO2) will affect the respiratory rate. But high levels of carbon dioxide (>70–80 mmHg) can depress respiration and cause headaches, restlessness, unconsciousness, and death.
Normal Findings: Tachypnea
Increased respiratory rate has many causes, including increased oxygen _____, hyp____, and increased Pa_____.
Many conditions can cause tachypnea, such as p___, fe__, fev___, physical ex____, as____, pn______, P_, and h____thyroidism.
Increased respiratory rate has many causes, including increased oxygen demand, hypoxia, and increased PaCO2.
Many conditions can cause tachypnea, such as pain, fear, fever, physical exertion, asthma, pneumonia, PE, and hyperthyroidism.
Egophony
- Normal =*
- Abnormal =*
- Normal =* Will hear “eee” clearly instead of “bah.” The “eee” sound is louder over the large bronchi because larger airways are better at transmitting sounds; lower lobes have a softer-sounding “eee.”
- Abnormal =* Will hear “bah” sound.
Tactile Fremitus
How to test for tactile fremitus?
- Normal =*
- Abnormal =*
Instruct patient to say “99” or “one, two, three”; use finger pads to palpate lungs and feel for vibrations.
- Normal =* Stronger vibrations are palpable on the upper lobes and softer vibrations on lower lobes.
- Abnormal =* The findings are reversed; may palpate stronger vibrations on one lower lobe (i.e., consolidation); asymmetric findings are always abnormal.
Whispered Pectoriloquy
How to test for this?
- Normal =*
- Abnormal =*
Instruct patient to whisper “99” or “one, two, three.” Compare both lungs. If there is lung consolidation, the whispered words are easily heard on the lower lobes of the lungs.
- Normal:* Voice louder and easy to understand in the upper lobes. Voice sounds are muffled on the lower lobes.
- Abnormal:* Clear voice sounds in the lower lobes or muffled sounds on the upper lobes.
Percussion
How to percuss?
What sound is heard over normal lung tissue?
What sound is heard with chronic obstructive pulmonary disease (COPD), emphysema (overinflating). If empty, the stomach area may be?
What sound is heard with Bacterial pneumonia with lobar consolidation, pleural effusion (fluid or tumor). A solid organ, such as the liver?
Use middle or index finger as the pleximeter finger on one hand. The finger on the other hand is the hammer.
- Resonance* = Normal
- Tympany or Hyperresonance*
- Dull Tone*
Pulmonary Function Test
Gold Standard test for (2) (pre- and post-bronchodilator)
Measures ob_____ vs. r_____ dysfunction
Gold Standard test for Asthma and COPD (pre- and post-bronchodilator)
Measures obstructive vs. restrictive dysfunction
Pulmonary Function Testing Terms
- (1) =* Amount of air that a person can forcefully exhale in 1 second.
(1) = Total amount of air that can be exhaled during the FEV1 test.
(1) = Proportion of a person’s vital capacity that the person is able to expire in 1 second.
Forced expiratory volume in 1 second (FEV1): Amount of air that a person can forcefully exhale in 1 second.
Forced vital capacity (FVC): Total amount of air that can be exhaled during the FEV1 test.
FEV1/FVC ratio: Proportion of a person’s vital capacity that the person is able to expire in 1 second.
FEV1/FVC Ratio
Normal > ___%
COPD < ___%
Normal > 75%
COPD < 70% (0.7)
Obstructive vs. Restrictive Dysfunction
Classify these conditions as obstructive or restrictive dysfunction
Obstructive definition =
Restrictive definition =
- Asthma
- COPD (chronic bronchitis and emphysema)
- Pulmonary Fibrosis
- Diaphragm obstruction
- Bronchiectasis
- Pleural disease
Obstructive = reduction in airflow rates
Restrictive = reduction of lung volume due to decreased lung compliance
- Obstructive
- Obstructive
- Restrictive
- Restrictive
- Obstructive
- Restrictive
Chronic Obstructive Pulmonary Disease
Definition + Permanent loss of (1)
Most characteristic symptom of COPD (1)
FEV1/FVC < ____
Most common cause? Highest incidence in what gender, what age?
Chronic obstructive pulmonary disease (COPD) is a chronic lung disease characterized by the permanent loss of elastic recoil of the lungs, alveolar damage, airflow limitation, chronic inflammation, and changes in the pulmonary vasculature.
Chronic and progressive dyspnea
FEV1/FVC < 0.7 (<70% lung function)
Chronic cigarette smoking, men >40 yo
COPD
Most patients have a mixture of (2)
May have (1) component that overlaps with COPD known as (ACOS)
Pulmonary hypertension aka (1) may develop in later stages
COPD now ___ leading cause of death in US
Most patients have a mixture of emphysema and chronic bronchitis
May have asthma component that overlaps with COPD known as (ACOS-asthma COPD overlap syndrome)
Pulmonary hypertension aka cor pulmonale may develop in later stages
COPD now 4th leading cause of death in US
Chronic Bronchitis
=
This is defined as coughing with excessive mucus production for at least 3 or more months for a minimum of 2 or more consecutive years. There is airway hypersecretion and inflammation.
Emphysema
=
Irreversible enlargement and alveolar damage with loss of elastic recoil result in chronic hyperinflation of the lungs. Expiratory respiratory phase is markedly prolonged.
Asthma
=
Airway inflammation resulting in hyperreactivity. The contribution of each disease (chronic bronchitis, emphysema, asthma) varies in each individual.
Asthma Risk Factors
- (1) (etiology in up to 90% of cases of COPD), older age (>40 years).
- (1) exposure (e.g., coal dust, grain dust) is responsible for about 10% to 20% of cases.
- (1) (AATD); patients have severe lung damage at earlier ages; alpha-1 trypsin protects lungs from oxidative and environmental damage. The World Health Organization (WHO) recommends all patients with a diagnosis of COPD should be?.
- Chronic smoking (etiology in up to 90% of cases of COPD), older age (>40 years).
- Occupational exposure (e.g., coal dust, grain dust) is responsible for about 10% to 20% of cases.
- Alpha-1 anti-trypsin deficiency (AATD); patients have severe lung damage at earlier ages; alpha-1 trypsin protects lungs from oxidative and environmental damage. The World Health Organization (WHO) recommends all patients with a diagnosis of COPD should be screened at least once.
Classic Case of COPD
A _____-aged to older adult ____ with a history of many years of _____ smoking presents with history of a viral ____, which has exacerbated his COPD symptoms. Complains of worsening d_____, which is accompanied by a chronic _____ that is productive of large amounts of ______ sputum. Walking up the stairs or physical exertion ____ the dyspnea.
A middle-aged to older adult male with a history of many years of cigarette smoking presents with history of a viral URI, which has exacerbated his COPD symptoms. Complains of worsening dyspnea, which is accompanied by a chronic cough that is productive of large amounts of tenacious sputum. Walking up the stairs or physical exertion worsens the dyspnea.
Chronic Bronchitis vs. Emphysema
“Blue Bloater” =
- Patient with a bluish tinge to their skin due to chronic ___oxia and ___capnia
“Pink Puffer” =
- Patient with pink skin color (_____ oxygen saturation), th___, tachypneic and uses ______ muscles to breath and ___-lip breathing, many have _____ chest
“Blue Bloater” = Chronic Bronchitis
Patient with a bluish tinge to their skin due to chronic hypoxia and hypercapnia
“Pink Puffer” = Emphysema
Patient with pink skin color (adequate oxygen saturation), thin, tachypneic and uses accessory muscles to breath and pursed-lip breathing, many have barrel chest
Chronic Bronchitis or Emphysema
- (1) component:* Increased anterior–posterior diameter, decreased breath and heart sounds, use of accessory muscles to breathe, pursed-lip breathing, and weight loss
- (1) component:* Chronic cough productive of large amounts of sputum; lung auscultation will reveal expiratory wheezing, rhonchi, and coarse crackle
- Emphysema component:* Increased anterior–posterior diameter, decreased breath and heart sounds, use of accessory muscles to breathe, pursed-lip breathing, and weight loss
- Chronic bronchitis component:* Chronic cough productive of large amounts of sputum; lung auscultation will reveal expiratory wheezing, rhonchi, and coarse crackle
COPD Objective Findings
- Percussion =*
- Tactile fremitus and egophony =*
- Chest x-ray (CXR) =*
- Percussion =* Hyperresonance
- Tactile fremitus and egophony =* Decreased
- Chest x-ray (CXR) =* Flattened diaphragms with hyperinflation; bullae sometimes present
COPD GOLD Treatment Guidelines
GOLD (Global Initiative for Chronic Obstructive Lung Disease)
Each patient classified into (4) groups + definitions
Group A = Minimally symptomatic COPD (low risk of exacerbations)
Group B = More symptomatic (low risk of exacerbations)
Group C = Minimally symptomatic (but high risk of future exacerbations)
Group D = More symptomatic (high risk of future exacerbations)
COPD GOLD Group A Treatment
Minimally symptomatic COPD (low risk of exacerbations
=
SABA alone or in combination with SAMA/anticholinergic; combination therapy preferred (more effective) but monotherapy is acceptable
COPD GOLD Group B Treatment
More symptomatic (low risk of exacerbations)
=
LAMA or LABA or SABA for symptom relief PRN
COPD GOLD Group C Treatment
Minimally symptomatic (but high risk for future exacerbations)
=
LAMA is first line; SABA for symptom relief PRN
COPD GOLD Group D Treatment
More symptomatic (high risk of future exacerbations)
=
High risk; refer to pulmonologist
COPD Pharmacologic Treatment
- Rx (1) now recommended for all patients with COPD, to be used for intermittent increases in dyspnea PRN.
- If patient has poor symptom relief with a short-acting anticholinergic/short-acting muscarinic antagonist (SAMA; ipratropium [Atrovent]), then add a Rx (1) (Group A)
- Short acting beta2 agonist (SABA) now recommended for all patients with COPD, to be used for intermittent increases in dyspnea PRN.
- If patient has poor symptom relief with a short-acting anticholinergic/short-acting muscarinic antagonist (SAMA; ipratropium [Atrovent]), then add a SABA (Group A)
Classes of Bronchodilators
(1) Albuterol, levalbuterol (Xopenex), pirbuterol (Maxair)
(1) Salmeterol, formoterol, vilanterol
(1) ipratropium (Atrovent)
(1) Tiotropium bromide (Spiriva), umeclidinium powder (Ellipta), glycopyrrolate (Seebri Neohaler). Available as combination LAMA plus LABA formulations.
SABA Albuterol, levalbuterol (Xopenex), pirbuterol (Maxair)
LABA Salmeterol, formoterol, vilanterol
SAMA ipratropium (Atrovent)
LAMA Tiotropium bromide (Spiriva), umeclidinium powder (Ellipta), glycopyrrolate (Seebri Neohaler). Available as combination LAMA plus LABA formulations.
Corticosteroids and phosphodiesterase-4 inhibitors in COPD
- Long-term monotherapy with oral corticosteroids is?
-
Selective phosphodiesterase-4 inhibitor roflumilast (Daliresp) indicated to reduce risk of COPD ______ in patients with _____ COPD. It is not a bronchodilator.
- Contraindicated in moderate-to-severe _____bimpairment.
- Associated with increase in ______ adverse reactions such as insomnia, depression, suicidal ideation, and weight loss
- Long-term monotherapy with oral corticosteroids is not recommended.
-
Selective phosphodiesterase-4 inhibitor roflumilast (Daliresp) indicated to reduce risk of COPD exacerbations in patients with severe COPD. It is not a bronchodilator.
- Contraindicated in moderate-to-severe liver impairment.
- Associated with increase in psychiatric adverse reactions such as insomnia, depression, suicidal ideation, and weight loss
Oxygen Therapy in COPD
- Long term oxygen therapy is recommended for chronic (1)
- PaO2 < ____ mmHg or PaO2 < ___%
- Titrate oxygen so that PaO2 is ____ - ____%
- Con______ oxygen therapy preferred for COPD patients with chronic severe hypoxemia
- Improved survival with _____ oxygen use compared with _____ oxygen use
- Long term oxygen therapy is recommended for chronic hypoxemia
- PaO2 < 55 mmHg or PaO2 < 88%
- Titrate oxygen so that PaO2 is 88- 92%
- Continuous oxygen therapy preferred for COPD patients with chronic severe hypoxemia
- Improved survival with continuous oxygen use compared with nocturnal oxygen use
Air Travel in COPD
Some patients with COPD may become ______ during air travel so (1) may be needed
Some patients with COPD may become hypoxemic during air travel so oxygen may be needed
Supplementation with Antioxidants in COPD
Vitamins (2)
Z____
Sel______
shown to improve (1) among patients with COPD
Vitamin C and E
Zinc
Selenium
shown to improve muscle strength among patients with COPD
SABAs Adverse Effects
(albuterol, levalbuterol, metaproternol)
Cardiac SE (2)
Cautious if patient has ____tension, ang____, and/or ____thyroidism
Avoid combining with _______ drinks
Palpitations, Tachycardia
Cautious if patient has hypertension, angina, and/or hyperthyroidism
Avoid combining with caffeinated drinks
Anticholinergics SE
(Ipratropium (Atrovent) SAMA, tiotropium (Spiriva) LAMA)
Avoid is patient has narrow angle _____, prostate (1), bladder neck _______
Avoid is patient has narrow angle glaucoma, BPH, bladder neck obstruction
General Treatment for COPD
(1) Cessation - how?
(3) Vaccinations
Pulmonary hygiene (1) or Pulmonary Re_______
How to treat lung infections?
Smoking Cessation = nicotine patches/gum, buproprion (Zyban) or Varenicline (Chantix), patient education, behavioral counseling
Annual Influenca, Pneumococcal (PCV13 (prevnar) now PCV15 + PPSV23 (pneumovax)) 12 months apart
Pulmonary hygiene (postural drainage) or Pulmonary Rehabilitation
Treat lung infections aggressively
Management of Stable Chronic Obstructive Pulmonary Disease
Once COPD has been diagnosed, effective management should be based on an individualized assessment of current symptoms and future risks
- Re_____ symptoms
- Re_____ symptoms
- Improve _____ tolerance
- Improve health status and prevent disease ______, prevent and treat ex______, and reduce mor______
- Reduce symptoms
- Relieve symptoms
- Improve exercise tolerance
- Improve health status and prevent disease progression, prevent and treat exacerbations, and reduce mortality
Nonpharm Treatment for COPD
Nonpharmacologic management of COPD should be in accordance with the individualized assessment of symptoms and exacerbation risk:
- (1) cessation (can include pharmacologic treatment)
- Physical (1)
- (1) vaccination annually
- (1) vaccination
- Pulmonary (1)
- Smoking cessation (can include pharmacologic treatment)
- Physical activity
- Influenza vaccination annually
- Pneumococcal vaccination
- Pulmonary rehabilitation
COPD Management of Exacerbations
Exacerbation of COPD is defined as an acute event characterized by a worsening of the patient’s respiratory symptoms that is beyond normal day-to-day variations and leads to a change in medication.
- First assess (1) VS
- Patients with characteristics of mod-severe exacerbation (increased dyspnea, increased sputum/viscosity, increased sputum purulence should be (1) as they are higher risk of death
- Rx (1) = mainstay therapy for acute exacerbation
- SABA can be combined with Rx (1)
- Tell them to use what with inhaler
- Rx (1) can be added PRN
- First assess pulse oxygen saturation
- Patients with characteristics of mod-severe exacerbation (increased dyspnea, increased sputum/viscosity, increased sputum purulence should be hospitalized as they are higher risk of death
- SABA = mainstay therapy for acute exacerbation
- SABA can be combined with SAMA
- Tell them to use a spacer with inhaler
- Oral glucocorticoids (prednisone 40mg daily for 5 days) can be added PRN
COPD Management of Exacerbations
- Most common cause of exacerbations?
- Diagnostic imaging (1) to exclude alternative diagnoses (PNA, PE, Pneumothorax)
- Diagnostics (2) useful to diagnose coexisting cardiac problems
- (1) tests not recommended during an exacerbation because can be difficult to perform and measurements not accurate enough
- Hospitalized patients increased risk for D___ and P__ → enhance ____prophlyactic measures and strongly enforce measures against active cigarette smoking
- Respiratory tract infections (viral or bacterial)
- Chest x-ray to exclude alternative diagnoses (PNA, PE, Pneumothorax)
- EKG and cardiac troponins useful to diagnose coexisting cardiac problems
- Spirometry tests not recommended during an exacerbation because can be difficult to perform and measurements not accurate enough
- Hospitalized patients increased risk for DVT and PE→ enhance thromboprophylactic measures and strongly enforce measures against active cigarette smoking
COPD Management of Exacerbations
- Suspect secondary bacterial infection if acute onset of fever, purulent sputum, increased wheezing and dyspnea = at high risk for (1) pneumonia
-
Treatment options
- Drug Class (1) (azithromycin, clarithromycin) or
- Drug Class (1) (cefuroxime, cefdinir, cefpodoxime) for __ - __ days
- Rx (1) or (1) if at risk for Pseudomonas (with sputum for culture and sensitivity)
- Suspect secondary bacterial infection if acute onset of fever, purulent sputum, increased wheezing and dyspnea = at high risk for Haemophilus influenzae pneumonia
-
Treatment options
- Drug Class Macrolides (azithromycin, clarithromycin) or
- Drug Class 2nd Generation Cephalosporin (cefuroxime, cefdinir, cefpodoxime) for 3-5 days
- Ciprofloxacin or Levofloxacin if at risk for Pseudomonas (with sputum for culture and sensitivity)
When do you refer for COPD?
- _____-to-____COPD
- Severe _____ or rapid _____
- Age
- _____ loss
- Moderate-to-severe COPD
- Severe exacerbations or rapid progression
- Age <40 years
- Weight loss
Exam Tips on COPD
First line treatment for mild COPD =
If short acting bronchodilators not controlling symptoms, next step is to add?
(1) is a short acting anticholinergic or SAMA
Do not use (1) (salmeterol, formoterol) for rescue treatment
First-line treatment for mild COPD (Group A) is either a SABA or a short-acting anticholinergic (or SAMA). If poor relief on single agent, add a second agent. If on SABA, add short-acting anticholinergic (Atrovent
If short acting bronchodilators not controlling symptoms, next step is to add LABA or LAMA, and continue SABA PRN
Ipratropium (Atrovent) is a short acting anticholinergic or SAMA
Do not use LABAs (salmeterol, formoterol) for rescue treatment
Clinical Pearls COPD
Low ____ is associated with worse outcomes in patients with COPD. Consider ______supplementation (e.g., _____) in underweight patients.
When you are treating a COPD patient, pick an antibiotic that has coverage against both (1) (gram negative) and (1) (gram positive).
Low BMI is associated with worse outcomes in patients with COPD. Consider nutritional supplementation (e.g., Ensure) in underweight patients.
When you are treating a COPD patient, pick an antibiotic that has coverage against both H. influenzae (gram negative) and Streptococcus pneumoniae (gram positive).
What common lung infection does this describe?
No.1 cause?
Acute onset. High fever and chills. Productive cough and large amount of green to rust-colored sputum. Pleuritic chest pain with cough.
Crackles; decreased breath sounds, dull. CBC: leukocytosis; elevated neutrophils. Band forms may be seen.
Community Acquired Pneumonia (CAP)
No.1 cause = Streptococcus pneumoniae (gram +)
What Common Lung Infection is described?
No. 1 cause =
CXR reveals lobar infiltrates.
Gradual onset. Low-grade fever. Headache, sore throat, cough, wheezing, rash (sometimes). CXR: interstitial to patchy infiltrates.
Atypical Pneumonia
No.1 Cause = Mycoplasma Pneumoniae
What Common Lung Infection is Described?
Fever, cough, pleurisy, shortness of breath. Scanty sputum production. Myalgias. Breath sounds: decreased breath sounds, rales.
Viral Pneumonia influenza, RSV
What Common Lung Infection is described?
Paroxysms of dry and severe cough that interrupts sleep. Cough: dry to productive. Light-colored sputum. Can last up to 4–6 weeks. No antibiotics. Treat symptoms.
Acute Bronchitis
What Common Lung Infection is described?
Cough lasting 3 weeks or longer. Pleuritic chest pain. Hemoptysis with fatigue, weight loss, anorexia, fever/chills, night sweats.
Tuberculosis (TB)
What Common Lung Infection is described?
Intermittent cough that becomes more severe with inspiratory whoop; may be followed by posttussive vomiting. Cough worse at night; persists for 2–6 weeks or longer. Infants do not “whoop”; minimal cough followed by vomiting; apnea more common.
Pertussis (Whooping Cough)
Community Acquired Pneumonia in Adults
Most common cause of focal _____ on a CXR (lobar pneumonia)
Most common pathogens
- (1) gram positive
- (1) gram negative
- More common in smokers, COPD
- (1) gram negative
- # 1 bacteria in cystic fibrosis
- (1) Atypical bacteria
- (3) Respiratory viruses
Most common cause of focal infiltrate on a CXR (lobar pneumonia)
Most common pathogens
- S.pneumoniae gram positive
-
H.influenzae gram negative
- More common in smokers, COPD
-
Pseudomonas aeruginosa gram negative
- # 1 bacteria in cystic fibrosis
- Mycoplasma pneuoniae Atypical bacteria
- Influenza, parainfluenza, RSV = Respiratory viruses
Classic Case of CAP
An older adult presents with sudden onset of a high fever (>100.4°F) with chills, anorexia, and fatigue that is accompanied by a _____ cough with _____sputum (____-colored sputum seen with streptococcal pneumonia). The patient complains of sharp stabbing chest pain (_____chest pain) with coughing and dyspnea. _____pneic. Elderly patients may have atypical symptoms (e.g., afebrile or low-grade fever, no cough or mild cough, weakness, con______).
An older adult presents with sudden onset of a high fever (>100.4°F) with chills, anorexia, and fatigue that is accompanied by a productive cough with purulent sputum (rust-colored sputum seen with streptococcal pneumonia). The patient complains of sharp stabbing chest pain (pleuritic chest pain) with coughing and dyspnea. Tachypneic. Elderly patients may have atypical symptoms (e.g., afebrile or low-grade fever, no cough or mild cough, weakness, confusion).
CAP Objective Findings
- Auscultation =*
- Percussion =*
- Tactile fremitus and egophony =*
Abnormal whispered pectoriloquy =
- Auscultation:* Rhonchi, crackles, and wheezing
- Percussion:* Dullness over affected lobe
- Tactile fremitus and egophony:* Increased
Abnormal whispered pectoriloquy (whispered words louder)
CAP Diagnostics
Gold Standard =
Repeat when to document clearing?
(1) +(1) is not gold standard
* Order CBC =* what might it show?
CXR gold standard (shows lobar consolidation in classic bacterial pneumonia)
Repeat CXR in 6 weeks to ensure clearing of infection
Sputum C&S + gram stain NOT recommended (but are option for outpatient with severe cases of CAP)
CBC = may show leukocytosis (>10.5 x10^9/L) with possible “shift to the left” (increased band forms)
CAP Treatment
NO COMORBIDITY
(previously healthy with no risk factors for respiratory isolation of methicillin-resistant Staphylococcus aureus (MRSA) or Pseudomonas aeruginosa or hospitalization with receipt of parenteral antibiotics within past 90 days)
First line agents (2)
Alternative (2)
First line agents
Amoxicillin 1 g PO TID or
Doxycycline 100 mg PO BID
Alternative
(macrolide, do not use if pneumococcal resistance >25%)
Azithromycin 500 mg PO on first day, then 250 mg PO daily or
Clarithromycin 500 mg PO BID or extended-release 1,000 mg PO daily
CAP Treatment
WITH COMORBIDITY
e.g., alcoholism; congestive heart failure [CHF]; chronic heart, lung, liver, or kidney disease; diabetes; splenectomy/asplenia; antibiotics in previous 3 months) or high rates (>25%) of local pneumococcal resistance:
COMBINATION THERAPY (1)(3)+ (1)(3)
OR
MONOTHERAPY (1)(3)
Combination therapy (beta-lactam plus macrolide or doxycycline):
– Amoxicillin–clavulanate 500/125 mg PO TID, 875/125 mg PO BID, or 2,000/125 mg PO BID or
– Cefpodoxime 200 mg PO BID or
– Cefuroxime 500 mg PO BID
PLUS
– Azithromycin 500 mg PO on first day, then 250 mg PO daily or
– Clarithromycin 500 mg PO BID or extended-release 1,000 mg PO daily or
– Doxycycline 100 mg PO BID
Monotherapy (respiratory fluoroquinolone):
– Levofloxacin 750 mg PO daily or
– Moxifloxacin 400 mg PO daily or
– Gemifloxacin 320 mg PO daily
CAP Treatment
WITH COMORBIDITY
Poor prognosis (refer for hospitalization):
- Elderly: Age ___ years or older, acute _____ status changes, C_ _
- ______lobar involvement
- Acute _____status change
- Al______ (aspiration pneumonia)
- Elderly: Age 60 years or older, acute mental status changes, CHF
- Multiple lobar involvement
- Acute mental status change
- Alcoholics (aspiration pneumonia)
CURB-65
Tool to assess whether patient with CAP needs hospitalization
Score > __ = should be hospitalized
C
U
R
B
Age ___ years or older
Score > 1 = should be hospitalized
C (confusion)
U (blood urea nitrogen >19.6 mg/dL)
R (respiration >30 breaths/min)
B (blood pressure <90/60 mmHg)
Age 65 years or older
CAP Prevention
(1) vaccine for all persons >50 years or if in contact with persons who are at higher risk of death from pneumonia, who are healthcare workers, others.
(1) if >65 years or with high-risk condition. Can use at younger ages if high risk of death from pneumonia.
Influenza vaccine for all persons >50 years or if in contact with persons who are at higher risk of death from pneumonia, who are healthcare workers, others.
Pneumococcal polysaccharide vaccine (Pneumovax) if >65 years or with high-risk condition. Can use at younger ages if high risk of death from pneumonia.
Pneumococcal Vaccines (Adults)
(1) recommended for all children <2 years or >2 years with certain medical conditions. Adults aged ≥65 years can use the vaccine (discuss and decide with their clinician). Space at least __ year apart from PPSV23.
(1) Pneumovax 23, Pnu-Imune 23) recommended.
PCV13 (pneumococcal conjugate vaccine: Prevnar 13) recommended for all children <2 years or >2 years with certain medical conditions. Adults aged ≥65 years can use the vaccine (discuss and decide with their clinician). Space at least 1 year apart from PPSV23.
PPSV23 (pneumococcal polysaccharide vaccine: Pneumovax 23, Pnu-Imune 23) recommended.
Pneumococcal Vaccines (Adults Aged 65 Years or Older)
Administer (1) first. Shared decision-making with (1)
If patient wants to be vaccinated with PCV13 (Prevnar), give at least __ year apart from last PPSV23.
If PPSV23 administered prior to age 65, administer another dose of PPSV23 at least __ years apart.
Administer PPSV23 (Pneumovax) first. Shared decision-making with PCV13.
If patient wants to be vaccinated with PCV13 (Prevnar), give at least 1 year apart from last PPSV23.
If PPSV23 administered prior to age 65, administer another dose of PPSV23 at least 5 years apart.
Pneumococcal Vaccines (Adults Aged 65 Years or Older)
Healthy Patients
- Single dose of ______ is usually sufficient at age 65 years (lifetime).
- 60% to 70% effective in preventing invasive disease caused by serotypes in the vaccine.
Underlying Disease
- ___% effective
Severely Immunocompromised
- Only __% effective
Healthy Patients
- Single dose of PPSV23 is usually sufficient at age 65 years (lifetime).
- 60% to 70% effective in preventing invasive disease caused by serotypes in the vaccine.
Underlying Disease
- 50% effective
Severely Immunocompromised
- Only 10% effective
Pneumonia Vaccine Special Situations
Can give to persons as young as age 19 yo for
Impaired ______
- Splenectomy, asplenia, or diseased spleen
- Alcoholics/cirrhosis of the liver
- HIV infection
- Chronic renal failure
Preexisting ____ and _____ disease
- Asthma, congenital heart disease, emphysema, others
_____ disorders
- Sickle cell anemia
- Hodgkin’s lymphoma, multiple myeloma
Impaired immunity
- Splenectomy, asplenia, or diseased spleen
- Alcoholics/cirrhosis of the liver
- HIV infection
- Chronic renal failure
Preexisting heart and lung disease
- Asthma, congenital heart disease, emphysema, others
Blood disorders
- Sickle cell anemia
- Hodgkin’s lymphoma, multiple myeloma
Pneumonia Vaccine High Risk Patients
Repeat vaccine in ___-___ years (boosts antibodies)
- If first dose was given ____ age of 65 years
- Asp____, chronic ____ failure (give at __years of age)
- Imm________ states
- _____ cancers: Lymphoma, Hodgkin’s disease, leukemia
Repeat vaccine in 5-7 years (boosts antibodies)
- If first dose was given before age of 65 years
- Asplenia, chronic renal failure (give at 19 years of age)
- Immunocompromised states
- Blood cancers: Lymphoma, Hodgkin’s disease, leukemia
An infection of the lungs by atypical bacteria. More common in children and young adults. Seasonal outbreaks (summer/fall). Highly contagious. Also known as walking pneumonia.
Atypical Pneumonia
Atypical Pneumonia Causative Organisms
(4)
- Mycoplasma Pneumoniae**
- Chlamydophila Pneumoniae**
- Legionella Pneumoniae*
- Chlamydia Psittaci*
Mycoplasma Pneumoniae
(most common cause of atypical pneumonia)
- Nonpulmonary complications may occur = hemolytic _____, meningo-______, urt_____
- Gold standard for diagnosis =
- Nonpulmonary complications may occur = hemolytic anemia, meningo-encephalitis, urticaria
- Gold standard for diagnosis = PCR of sputum or oropharyngeal swab
Causes of Atypical Pneumonia
- (1):* More common in school-age children; usually develops into bronchitis or mild pneumonia.
- (1)* Not as common; a zoonotic infection from infected pet birds (e.g., parrots, parakeets) and poultry (e.g., turkeys, ducks).
- Chlamydophila pneumoniae:* More common in school-age children; usually develops into bronchitis or mild pneumonia.
- Chlamydia psittaci:* Not as common; a zoonotic infection from infected pet birds (e.g., parrots, parakeets) and poultry (e.g., turkeys, ducks).