Clinical cases Flashcards
Patient has pain in shoulder, elevated temperature
MRI scan shows disc infection and osteomyelitis C6 &C7
Blood cultures GROW GRAM POSITIVE COCCI IN CLUSTERS
What bacterial infection do you think it is and how do you treat it
Staphylococcus aureus; flucloxacillin 3 months
Heavy smoker noted nasal congestion and fever
2 days later cough and severe pain in the chest
“Rust-coloured” sputum
Chest X-ray –consolidation
Blood & sputum culture
What might the possible bacteria be and what category is it
S. pneumoniae
alpha haemolytic
A 57 year-old woman, who went to the dentist 2 months ago, complains of night sweats and malaise for 6 weeks. Her blood cultures are positive after 14 hours and the agar plates are shown. The disc contains optochin and there is growth of bacteria around it. What is the most likely diagnosis?
Viridans streptococci
A 22 year-old woman is referred to hospital with a 2-day history of a productive cough of rusty coloured sputum and a fever. Her blood cultures are positive and the plates are shown. The disc contains optochin and there is no bacterial growth around this disc. What is the most likely diagnosis.
Streptococcus pneumoniae infection
Pus from a child with a peri-tonsillar abscess was tested. The results showed that it was a beta-haemolytic bacteria and it was identified as Group A via the Lancefield test. What is the most likely diagnosis?
Streptococcus pyogenes infection
A 45 year old woman has been admitted with diarrhoea and abdominal cramps 48 hours after having a takeaway omelette. A stool sample has been received in the laboratory and cultured overnight on a selective medium. The lab found gram-negative bacilli and on testing with MacConkey agar found that they are non-lactose fermenting bacteria. What is the most likely infection?
Salmonella enteritidis
E. coli is LACTOSE FERMENTING!!!!
woman
60 yrs old
Symptoms:
My leg was very painful
I felt dizzy standing up and clammy
I was confused
BP 78/39 with a fever of 39 degrees
What is the diagnosis and how do you treat
sepsis, find the bacteria and prescribe appropriate antibiotic
23-year old woman attends with dysuria, frequency and cloudy urine for 36 hours.
Likely diagnosis?
Further steps?
UTI
send urine samples to lab for culture
consider a back-up antibiotic or emergency antibiotic depending on how bad the situation is until the lab results come back
John presents with Fever, sore throat, headache
On examination:
Throat normal
Mouth ulcers
Mild lymphadenopathy
He has a diffuse symmetrical maculopapular rash
History:
Never injected drugs
1 tattoo
12 casual female partners in last year
Uses condoms “sometimes”
what test would you do and what is the possible diagnosis
HIV test
HIV diagnosis; possible viral illnesses
