ATYPICAL PNEUMONIA Flashcards
what are the atypical pneumonia ?
mycoplasma pneumonia
legionella pneumonia
chlaymydia pneumonia
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risk factors for Legionnaire’s disease
typically colonizes water tanks and hence questions may hint at air-conditioning systems or foreign holidays.
Person-to-person transmission is not seen!!
clinical features of legionella ?
flu-like symptoms including fever
NON productive dry cough
RELATIVE BRADYCARDIA
CONFUSION/ DROWSY
on blood investigation what can suggest legionella ?
hyponatraemia <136mmol/l
deranged LFT
lymphopaenia
on radiology what is seen among 30 percent of patient in legionella ?
pleural effusion!!!
how to diagnose legionella ?
legionella urinary antigen
MX of Legionnaire’s disease same as mycoplasma ?
treat with erythromycin/clarithromycin
In what SPECIFIC WAYS are legionellaand mycoplasma the same ?
Flu like symptoms to begin with
DRY NON PRODUCTIVE COUGH
deranged eft
tx
CXR features of legionella ?
patchy features
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Klebsiella pneumoniae is
gram-negative bacillus
associated with pneumonia in alcoholics
Klebsiella pneumonia clinical features ?
cough with haemoptysis
blood findings for klebseilla pneumonia
deranged liver markers
cxr findings for klebseillapneumonia
what other atypical organism causes blood in cough ?
Pseudomonas aeruginosa
cxr findings in klebsiella ?
cavitating lesions
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Clinical manifestations of mycoplasma pneumonia
prolonged and gradual onset
Preceded by flu
Dry cough
Erythema multiforme - target spots on skin
CXR finding of mycoplasma pneumonia ?
B/L consolidation
Diagnosis of Mycoplasma pneumonia ?
Serology !
Positive cold agglutin test
What type of hemolytic anemia is aaaociated with mycoplasma pneumonia ?
cold autoimmune haemolytic anaemia
Other complication of mycoplasma
thrombocytopenia
erythema nodosum
meningoencephalitis,
Guillain-Barre syndrome
and other immune-mediated neurological diseases
pericarditis/myocarditis
gastrointestinal: hepatitis, pancreatitis
renal: acute glomerulonephritis
ENT complications of mycoplasma ?
bullous myringitis: painful vesicles on the tympanic membrane
Management of Mycoplasma
Doxycline
Or macrolide - erythro or clarithromycin
