PC617-Pulmonary Disorders Flashcards
Tuberculosis
Mycobacterium tuberculosis
Primary TB
LTBI
Secondary TB
Usually pulmonary
apex of the lung (high oxygen area)
TB clinical manifestations
fatigue anorexia weight loss night sweats low grade diurnal fever cough chest pain
TB exam
Rales in upper posterior area
maybe evidence of plueral effusion
lymphadenopathy
TB testing
Mantoux test- read in 48-72 hours
two step testing -healthcare workers who have not been tested in over 12 months over 45 yrs of age
Anergy-Immune system compromised
QFT-G-blood test. comes back in 24 hours (expensive)
Chest x-ray- if positive, to exclude pulmonary disease; if neg, then prophylaxis with INH
TB Tx with INH
Induration >5mm Consider positive with -HIV clients Close contacts of positive case person with fibrolytic lesions -organ transplant recipients -Other immunocompromised clients
TB DX
Induration >10mm
-recent immigrant
-residents in high risk community (jail, nursing home, etc)
-low income population, medically underserved
-children younger than 4
infants, children, adolescents exposed to adult with TB
TB DX-
Induration >15
person with no risk factors
TB Tx
Treat even if they had BCG vaccine
Side effects of INH-
Liver disease, Hepatitis
TB Tx
Add B6 to decrease risk of person getting peripheral neuropathy in those with diabetes, uremia, alcoholic, pregnant, seizure disorder
If positive x-ray- refer and report to HD
INH
Take for 9 mos. 5mg/kg or up to 300mg daily
Do not do Mantoux test if +Hx of TB
Influenza
Acute infection of the respiratory tract -Spread by droplet -highly contagious -Fever, chills, nasal congestion,with clear drainage, sore throat,-cough is most prominent Fever peaks in about 24 hrs`
Influenza tests
Rapid test or expensive cell cultures. Takes 2-7 days
Influenza Treatment
rest, fluids, antipyretic
Antiviral meds
Oseltamivir and Zanamivir-Reduce only by a day
Must start within 48 hours
May use prophylactically in high risk persons
Influenza vaccine is best prevention
Asthma
Chronic inflammatory disorder
Triggered by allergens, infections, exercise, ASA, etc.
Asthma S/S
episodic wheezing with dyspnea
wheezing
breathlessness, anxiety, sptum production
Most COMMON-cough
Exercise Induced Asthma-least brought on by swimming and could be caused by change in movement of air
Can treat with SABA or in children Cromolyn as 2nd choice if happens often.
Asthma
Acute severe asthma can be brought on by self-mediating with SABA
Chronic Stable Asthma
controlled with meds