Tricky Items Flashcards
MC bacteria pneumonia
*S. Pneumonia M. Cat H. Flu M. Pneumonia S. Aureus
Pneumonia bacteria associated with Bullous Myringitis
Mycoplasma Pneumonia (Hint: Both start with MY)
Rust Colored Sputum
pneumonia bacteria
S. Pnuemoniae
Treatment for Community Acquired Pneumonia
Otherwise healthy patient
Macrolide
or
Doxycycline
Treatment for Community Acquired Pneumonia
Patient with underlying disease
Fluoroquinolones (Resp; L/M)
or
Beta Lactam PLUS a Macrolide
CURB-65
Confusion Urea >7 mmol/L Resp Rate >30 BP (SBP <90, DBP <60) Age >65
Interpretation:
0-1 low risk, consider home
2 admission or close monitoring outpatient
3-5 Admission (severe)
Pneumococcal Vaccination Schedule
Adults > 65 and Kids < 2 (with medical conditions)
1 dose PCV13 followed by PPSV23 one year later
Atypical Pneumonia Bacteria
*M. Pneumonia
C. Pneumonia
Legionella
Moraxella
Atypical Pneumonia Presentation
low grade fever
mild pulmonary symptoms
non-productive cough, fatigue, myalgia
Diagnosis of atypical pneumonia
WBC is nromal or slightly elevated
CXR unilateral lower lung infiltrates or diffuse
Not usually detected with usual gram staining
Treatment Atypical Pneumonia
Azithromycin Or doxycycline (mycoplasma or legionella)
Tetracycline (Chlamidya)
Supportive for viral infection
Bacteria for Hospital Acquired Pneumonia
*MRSA
*Pseudomonas
S. aureus/ klebsiella/E. coli/ Enterobacter
Treatment for Hospital Acquired Pneumonia
MRSA
Pseudomonas
MRSA AND Pseudomonas (Vanc/Zosyn)
HIV Pneumonia Bacteria
- Streptococci
* Pneumocystis Jiroveci (oppertunistic)
Presentation of HIV Pneumonia
More diffure presentation of pneumonia
OR
PJ: fever, tachypnea, dyspnea, non-productive cough
Treatment of Pneumocystis Jiroveci
Prophylaxis too
Bactrim
prophylaxis in all patients with CD4 < 200 with bactrim
Tuberculosis Presentation
cough (becomes productive; lasts >3 weeks) Fever Night sweats Anorexia/Weight loss Hemoptysis
Tuberculosis Chest X-ray (Primary)
homogenous infiltrates
Hilar/paratracheal lymph node enlargement
atelectasis
cavitations (Progressive)
Tuberculosis Chest X-ray (Reactivation)
apical fibrocavitary disease
nodules/infiltrates
Gohn Complex
significance too
Calcified primary focus in tuberculosis
Indicated healed primary infection
Ranke Complex
and significance
Calcified primary focus and hilar lymph node
indicates healed primary tuberculosis
Tuberculosis definitive diagnosis
Cultures (6-8 weeks to grow)
DNA or RNA amplification techniques (1-2 days)
Lung Biopsy:
Caseating Granulomas
Necrotizing Granulomas
Indicates Tuberculosis
Treatment Tuberculosis (Latent)
Isolate patient until 2 weeks of treatment completed
Isoniazid for 9 months
Rifampin for 4 months
OR Rifampin + Pyrazinamide for 2 months (if in contact with resistant TB)
Treatment Tuberculosis (Active)
Isolate patient until 2 weeks of treatment completed
RIPE therapy for 2 months
(Rifampin, Isoniazid, Pyrazinamide, Ethambutol)
Plus
4 months of additional therapy based on cultures
Side effects of Anti-Tuerculosis Medications
Isoniazid
Rifampin
Ethambutol
I: hepatitis, peripheral neuropathy
R: hepatitis, flu-like symptoms, orange body fluids
E: Optic Neuritis
What should be given with Isoniazid and why
Vitamin B
to prevent peripheral neuropathy
MC causes of bronchitis
(90% Viral) rhinovirus, coronavirus, RSV
Bacteria: s. pneumo/ H. flu/ M. cat
Presentation of Bronchitis
COUGH (> 5 days; productive or non; mucus color doesn’t suggest bacterial involvement)
fever, sore throat, headache
NO tachypnea/tachycardia (because O2 exchange fine)
Bronchitis Diagnosis
CXR: Clear
Procalcitonin
(elevated if bacterial cause)
Treatment Viral Bronchitis
Supportive measures
hydration, expectorants, analgesics, anti-tussives
Treatment Bacterial Bronchitis
(#1) 2nd generation cephalosporin
(#2) Macrolide or Bactrim
Characteristics Small Cell Lung Cancer
“oat cell”
Likely to metastasize and spread early
Rarely amenable to surgery
Characteristics Non-Small Cell Lung Cancer
types
grows more slowly
more amenable to surgery
(squamous cell, large cell, adenocarcinoma)
Squamous Cell Lung Carcinoma Characteristics
rate, location, presentation
25-35%
Centrally located mass
Hemoptysis (dx via sputum increased)
Adenocarcinoma of the lung
rate, characteristics, location
MC (35-40%)
commonly metastatic to distant origins
Peripherally located
Large Cell Lung Carcinoma
large cells with rapid doubling time
may be peripherally or centrally located
Presentation of Lung Cancer
cough (new or changing) hemoptysis pain anorexia/weight loss asthenia LAD clubbing of the fingers hepatomegaly
Low Dose Screening for Lung Cancer
Less radiation
ages 55-80
smoker for > 30 years
Has not quit smoking in the past 15 years
Diagnosis of Lung Cancer
Chest X-ray and CT (demonstrate abnormalities)
Cytologic examination of Sputum
Bronchoscopy
PET Scan
Tumor Tissue Analysis (to aid treatment selection)
Treatment Non-Small Cell Lung Cancer
Surgery
+/- adjuvant chemo or radiation to improve survival
Treatment Small-Cell Lung Cancer
Combination chemotherapy
Patients rarely live > 5 years after diagnosis
Solitary Pulmonary Nodule
Rate of malignancy
Etiology
“Coin Lesion” or mass if >3 cm
40% are malignant
more often infectious granulomas from previous infection or foreign body resection
Pulmonary Functioning Diagnosis of Asthma
FEV1/FVC <75%
Bronchodilator Administration
>12% or 200mL increase in functioning
Diagnostics of Asthma
Pulmonary Functioning Tests (fev1/fvc <75%; reversible)
Methacholine Challenge Test (dec >20%)
Chest X-ray
ABG
Management of Asthma
Peak Expiratory Flow Monitoring to help patients monitor their symptoms and know when to ask for help
Long Term Asthma Symptoms Management Medications
Corticosteroids Cromolyn sodium Long acting bronchodilators Leukotriene modulators theophylline
Short acting asthma symptoms management drugs
short acting beta agonists
ipratropium
systemic corticosteroids
Intermittent Asthma Characteristics -Symptoms -Night Time Symptoms -Rescue Inhaler Use -Lung Functioning (FEV1 and FEV1/FVC)
Symptoms = 2 days per week (doesnt interfere with daily activity) Night: = 2 times monthly Rescue: < days weekly Fev1 >80% predicted Fev1/FVC Normal
Mild Persistent Asthma Characteristics -Symptoms -Night Time Symptoms -Rescue Inhaler Use -Lung Functioning (FEV1 and FEV1/FVC)
Symptoms > 2 days per week (minor daily limitation) Night: 3-4 times monthly Rescue: > 2 days per week (not daily or more than once on affected days) FEV1 > 80% FEV1/FVC Normal
Moderate Persistent Asthma Characteristics -Symptoms -Night Time Symptoms -Rescue Inhaler Use -Lung Functioning (FEV1 and FEV1/FVC)
Symptoms daily (Some limitation of daily activity) Night: >1 time per week (not nightly) Rescue: Daily FEV1 <80% but >60% FEV1/FVC decreased 5%
Severe Persistent Asthma Characteristics -Symptoms -Night Time Symptoms -Rescue Inhaler Use -Lung Functioning (FEV1 and FEV1/FVC)
Continuous Symptoms (extremely limited physical activity) Night: Often nightly Rescue: Several times per day FEV1 <60% FEV1/FVC reduced >5%
Step 1 Asthma Treatment
Rescue Inhaler (SABA PRN)
Step 2 Asthma Treatment
- Preferred
- Alternative
P: Low Dose ICS
Alt: Cromolyn, LTRA, Nedocromil, Theophylline
Step 3 Asthma Treatment
- Preferred
- Alternative
P:
-Low dose ICS + LABA
OR
-Medium dose ICS
ALt:
- Low dose ICS +
- LTRA OR Theophylline OR Zileuton
Step 4 Asthma Treatment
- Preferred
- Alternative
P:
-Medium Dose ICS + LABA
Alt:
- Med Dose ICS +
- LTRA OR Theophylline OR Zileuton
Step 5 Asthma Treatment
- Preferred
- Alternative
P:
-High dose ICS + LABA
Alt:
-Omalizumab (for patients who have allergies)
Step 6 Asthma Treatment
- Preferred
- Alternative
P:
-High Dose ICS + LABA + PO steroid
Alt:
-Omalizumab (for patients who have allergies)
What to confirm before you step up asthma treatment
Adherence, environmental control, co-morbid conditions
When to attempt step down
When asthma is well controlled for at least 3 months
High Risk Solitary Pulmonary Nodule
Older age (>30)
Uneven/Indistinct margins (Spiculated)
Usually > 2 cm
Rapidly progressive
Treatment Malignant Solitary Pulmonary Lung Nodule
If high probability of malignancy then resect
If unsure then it is okay to do a biopsy first
Low Risk/Benign Solitary Pulmonary Lung Nodule
< 30 years old Round/Oval Well demarcated/smooth edges Up to 3cm Surrounded by normal tissue May be calcified
Management of benign/low risk solitary lung nodule
CT Q 3mo for 1 year
Followed by
CT Q 6mo for 2 years
Bronchiectasis definition
permanent dilation of the bronchi and damage to the bronchial wall subsequent to injury from severe infection or persistent inflammation
Presentation Bronchiectasis
Chronic purulent sputum (foul smelling)
hemoptysis
Chronic cough
recurrent pneumonia
Diagnosis of Bronchiectasis
High Resolution Chest CT- Gold Standard
(dilated tortuous airways)
CXR- tram track markings
Bronchoscopy (rule out other causes)
Treatment Bronchiectasis
Chest Physiotherapy
Pneumonia (Abx 10-14 days)
Exacerbation- Bronchodilators
Lung Transplant
Pink Puffer
Emphysema Dominant
Blue Bloater
Chronic Bronchitis Dominant
Emphysema Characteristics and X-ray Findings
Quiet lungs
Thin, Barrel Chest
Pursed Lip Breathing
Decreased lung markings Flattened Diaphragm Hyperinflation Small/thin appearing heart *Subpleural Blebs *Parenchymal bullae
Chronic Bronchitis Characteristics and X-ray Findings
Chronic Productive Cough
Noisy Lungs (Ronchi/Wheezing)
Overweight and Cyanotic
Increased lung markings at bases
Chronic Bronchitis Definition
Chronic productive cough most days for 3 months of the year for 2+ consecutive years
Emphysema Definition
enlarged air spaces due to alveolar septum damage
COPD Risk Factors
SMOKING
pollutants
eosinophilia
alpha-antitrypsin 1 deficency
Diagnosis of COPD
Chest X-ray (depends on presentation)
Pulmonary Function Testing
Genetic Screening (Alpha antitrypsin 1)
COPD Pylmonary Functioning Tests
Decreased FEV1/FVC
Not Reversible
Treatment COPD (Basic)
Smoking Cessation Supplmental Oxygen (O2 <88%) Yearly vaccines (flu and pneumonia)
Pulmonary Hypertension Presentation
Dyspnea Angina like retrosternal chest pain weakness fatigue edema, ascites Cyanosis Syncope
Pulmonary Hypertension Diagnosis
Chest X-ray
EKG- RVH, RV strain
*Echo- estimates pulmonary arterial pressure
*Cardiac Catheterization- mean pulmonary arterial pressure (>25 mmHg)
Idiopathic Fibrosing Interstitial Pneumonia Risk Factors
Cigarette Smoking Exposure (wood/metal/dust) viruses diabetes GERD
Idiopathic Fibrosing Interstitial Pneumonia Presentation
Insidious Dry cough Exertional Dyspnea Constitutional Symptoms (fatigue, malaise...) Clubbing Inspiratory Crackles
Idiopathic Fibrosing Interstitial Pneumonia Diagnosis
CXR- progressive fibrosis
CT- Patchy fibrosis, pleural honeycombing
Pulmonary Functioning Tests (Restrictive)
Bronchiolar Lavage
Biopsy
Idiopathic Fibrosing Interstitial Pneumonia Treatment
Nothing is shown to improve survival or QOL
Pneumoconioses Definition
chronic fibrotic lung disease due to inhalation of inorganic dusts/debris
Asbestosis
- Occupation
- Diagnosis
- Complications
Insulation, demolition, construction
Biopsy: Asbestos Bodies
CXR: linear opacities at bases and pleural plaques
Increased risk of lung cancer (Mesothelioma)
Coal Workers Pneumoconioses
- Occupation
- Diagnosis
- Complications
Coal mining
CXR: Nodular Opacities upper lung fields
Progressive massive fibrosis
Silicosis
- Occupation
- Diagnosis
- Complications
mining, sand-blasting, quarry work, stone work
CXR- Nodular opacities in upper lung fields
Increased risk of TB
Progressive massive fibrosis
Berylliosis
- Occupation
- Diagnosis
- Complications
High-tech fields, nuclear power, aerospace, ceramics, foundries, tool and die manufacturing
CXR: diffuse infiltrates and hilar adenopathy
Requires chronic steroids (steroid complications)
Pneumoconioses Presentation
Usually asymptomatic (progressive; long duration) Dyspnea inspiratory crackles clubbing of the fingers cyanosis
Pneumoconioses Diagnosis
Pulmonary Functioning Tests
(Restrictive; reduced diffusing capacity)
CXR
(Varies depending on cause)
Pneumoconioses Management
*No effective treatment avilable
Supportive (O2, vaccinations, rehab)
Smoking Cessation
Berylliosis and Silicosis (pneumoconioses) treatment
Chronic Steroid Use
-Relief from alveolitis
Sarcoidosis Definition
Multiorgan disease of non-caseating granulomatous inflammation
90% have lung involvement
Increased in N. european whites and Aerican Blacks
Sarcoidosis Presentation
Cough, dyspnea (insidious), chest discomfort
malaise, fever
SX based on organ systems involved
Sarcoidosis Extrapulmonary symptoms
Erythema Nodosum
Enlargement of parotid glands, lymph nodes, liver, spleen
Sarcoidosis Diagnosis
Blood Tests
Radiographs
*Biopsy
Sarcoidosis Blood Tests and Results
Leukopenia Eosinophilia Elevated ESR Hypercalcemia Hypercalcuria Elevated ACE levels
Sarcoidosis Radiographic Findings
symmetrical bilateral hilar/right paratracheal lymphadenopathy
bilateral diffuse reticular infiltrates
Sarcoidosis Biopsy Results
Types of biopsies used
Transbronchial biopsy of the lung
Fine Needle Node Biopsy
Non-caseating granulomas
Sarcoidosis Treatment
No cure
90% responsive to steroids (moderate doses)
Refractory to steroids
-Immunosuppressant cytotoxic drugs
Treatment for GERD (Step-wise)
COnservative (elevate HOB, Low risk foods, X Smoking)
Antacids
H2 Blockers
PPI
Combo PPI and H2 Blocker
Endoscopy Results for Infectious Esophagitis
HSV, HIV, CMV, Candida
HSV- multiple shallow ulcers
CMV/HIV- Lg. deep ulcers
Candida- Lacy, white plaques
Treatment for Infectious Esophagitis
Candida, HSV, CMV
Candida- Fluconazole/Ketoconazole
HSV- Acyclovir
CMV- IV Ganciclovir or FOscarnet (if poor tolerability)
Should test for HIV or immunocompromised
Types of Esophageal Carcinoma
Squamous Cell Carcinoma
Adenocarcinoma
Risk Factors of Esophageal Cancer
Smoking Drinking Alcohol GERD Spicy foods Poor oral hygiene HPV History
Presentation of Esophageal Cancer
Progressive Dysphagia weight loss hoarsness nausea/vomiting heartburn
Diagnosis of Esophageal Cancer
#1 (Initial) Barium swallow Endoscopy with Biopsy (GS) CT/Sonogram (staging)
Screening for Esophageal Carcinoma
biannual screening if at increased risk
Achalasia, tylosis, radiation, barrets esophagus
Esophageal Carcinoma Treatment
Generally Surgery
+/- Adjuvant chemo and radiation
Possible to use combination chemo/radiation without surgery
Mallory Weiss Tear Definition
associated with what
Multiple linear tears at the gastroesophageal junction due to forceful vomiting and results in hematemesis
It is associated with alcohol use
Diagnosis of Mallory Weiss Tear
Endoscopy
visualized