Investigations Flashcards
Bacterial meningitis lumbar puncture results Neutrophils: high/normal/Low Lymphocytes: high/normal/Low Glucose: high/normal/Low Protein: high/normal/Low
Neutrophils: high
Lymphocytes: normal
Glucose: Low
Protein: high
Viral meningitis lumbar puncture results Neutrophils: high/normal/Low Lymphocytes: high/normal/Low Glucose: high/normal/Low Protein: high/normal/Low
Neutrophils: normal
Lymphocytes: high
Glucose. Normal
Protein: high
Tuberculosis lumbar puncture results Neutrophils: high/normal/Low Lymphocytes: high/normal/Low Glucose: high/normal/Low Protein: high/normal/Low
Neutrophils: normal
Lymphocytes: high
Glucose: Low
Protein: high
What is the diagnostic investigation used for someone with ?TB
Bronchoscopy with lavage
What is the best imaging investigation for ?appendicitis?
CT scan
Young patient presents with bloody diarrhoea and is found to be in renal failure. Which investigation would confirm the diagnosis?
- stool toxin test
- blood test
- stool culture
Stool culture
What is the best investigation for PSC?
MRCP
You do routine blood tests for a patient in hospital and see that calcium is raised. Which bloods do you do next?
PTH
Alk phos
Phosphate
24 urinary calcium excretion
What would bloods look like for a patient with primary hyperthyroidism
Calcium high PTH high Phosphate low Alk phos normal 24 urinary calcium excretion high
What would bloods look like for a patient with bony mets
Calcium high PTH normal Phosphate high? Alk phos high 24 urinary calcium excretion low
Pregnant woman with symptoms suggestive of PE. What is the investigation of choice?
CTPA
If you suspect a patient has lung cancer…what is the definitive investigation which will both confirm the diagnosis and help guide the treatment?
Bronchoscopy
What is the most useful test in acute asthma?
- spirometry
- peak flow
- bloods
- chest x-ray
Peak flow
- helps stratify patients into those with mild, moderate, severe or life threatening asthma.
Which investigation is needed to confirm a diagnosis of COPD?
spirometry
Diagnostic investigation for suspected achalasia?
Oesophogeal manometry
Patient with ?Haemachromatosis
Transferrin (high/low/normal)
Serum ferritin (high/low/normal)
TIBC (high/low/normal)
Transferrin - high
Serum ferritin - high
TIBC - low
What is the first line imaging invesitgation in periphral arterial disease?
Duplex US
Patient with iron deficiency anaemia. What will the investigations show FBC Ferritin Serum iron TIBC Transferrin saturation
FBC - reduced Hb Ferritin - low Serum iron - low TIBC - high Transferrin saturation - low
Investigation for thalassaemia
Hb electrophoresis
EBV / HIV increases likelihood of which cancer
Non hodgkins lymphoma
- burrkitts
Primary hyperparathyroidism
- calcium levels
- phosphate levels
Calcium levels increased
Phosphate levels decreased
Which kind of swab is done for chlamydia in female?
Vulvovaginal swab for NAATS
Which kind of swab is done for gonorrhoea in female?
Vulvovaginal swab for NAATS
Which kind of swab is done for trichomonas vaginalis in females?
And what is the testing modality?
High vaginal swab
Wet mount and microscopy
85 year old frail female in care home has had episodes of passing PR blood and clots mixed with stool. What is most appropriate investigation?
- CT colonography
- Colonoscopy
- Upper GI endoscopy
- capsule endoscopy
CT colonography
- frailty and co-morbidities make colonoscopy unwarranted. and bowel prep would be distressing
