TOPIC 3 - pneumonia and TB Flashcards
pathophysiology of pneumonia
Inflammation, characterized by an increase in blood flow and vascular permeability, activates neutrophils to engulf and kill the offending organisms.
As a result, the inflammatory process attracts more neutrophils, edema of the airways occurs, and fluid leaks from the capillaries and tissues into alveoli.
manifestations of pnuemonia
cough, fever, chills, dyspnea, tachypnea, pleuritic chest pain, sputum (green, yellow, rust color)
diaphoresis, anorexia, fatigue, myalgia, headache
auscultate - fine or coarse crackles / consolidation - bronchial, egophony breath sounds
palpations - increased fremitus, dullness during percussion
older adult symptoms of pneumonia
confusion or stupor related to hypoxia
hypothermia (rather than fever)
symptoms of acute exacerbation
increased resp rate, use of accessory muscles, decreasing LOC, restless
complications of pneumonia
atelectasis, pleurisy, pleural effusion, bacteremia, pneumothorax, meningitis, acute resp failure, sepsis, lung abscess, emphysema
diagnosis related to pneumonia
impaired gas exchange
ineffective breathing pattern
acute pain
activity intolerance
interventions for acute exacerbation
oxygen therapy
prompt initiation of antibiotics
hydration
nutritional support
breathing exercise
early ambulation
therapeutic positioning
pain management
adjunctive therapy for pneumonia
cough suppressants,
mucolytics,
bronchodilators,
corticosteroids
tuberculosis
gram positive, acid fast bacillus that is spread via airborne droplets
microorganisms lodge in lungs = pneumonitis
multi-drug resistant Tb vs extensively drug resistant
multi-drug = resistance to 2 of the most potent first line anti-TB drugs (isoniazid and rifampin)
extensively drug resistant = resistant to any fluoroquinolone plus any injectable antibiotic
symptoms of TB
Initial dry cough that becomes productive that frequently becomes productive with mucoid or mucopurulent sputum.
Fatigue
Malaise
Anorexia
weight loss
low-grade fever
night sweats
can also present acutely as -
High fever
Chills, generalized flulike symptoms
Pleuritic pain
Productive cough
Crackles and/or adventitious breath sounds
risk factors for TB
Homeless
Residents of inner-city neighborhoods
Foreign-born persons
Living or working in institutions (includes health care workers)
IV injecting drug users
Poverty, poor access to health care
Social and occupational history to determine risk factors for transmission of TB
TB infections outside the lungs
TB in the spine can lead to destruction of intervertebral disc
CNS Tb can cause severe bacterial meningitis
Abdominal TB can lead to peritonitis
diagnostic studies for TB
bacteriologic studies - consecutive sputum samples obtained on 3 different days, examined for AFB, results can take up to 8 weeks
if patient has productive cough - early morning is the ideal time to collect sputum specimens
manifestations of TB
fatigue, weight loss, lethargy, anorexia, low grade fever in afternoon, cough with purulent sputum, night sweats and anxiety, dyspnea, chest pain, and hemoptysis