22/03 Flashcards
Who is at risk of contrast induced nephropathy?
Age >70 Known renal impairment Dehydration Cardiac failure Use of nephrotoxic drugs e.g. NSAIDs
Which medication should be withheld in pts who are at high risk of contrast induced nephropathy?
Metformin for 48hrs
What is the threshold for blood transfusion?
Patients without ACS Hb <70
Patients with ACS Hb <80
What are features of HSP?
Abdominal Pain
Polyarthralgia
Purpuric rash over the buttocks
Renal failure
How can Transfusion related circulatory overload be differentiated from transfusion associated lung injury?
TRALI will have hypotension whereas TACO will have hypertension
What are features of Thrombotic Thrombocytopenic Purpura?
Females Fever Fluctuating neurological signs Microangiopathic haemolytic anaemia Thrombocytopenia Renal failure
What are features of a megaloblastic anaemia?
Hypersegmented neutrophil polymorphs
What blood film findings are commonly seen in coeliac disease?
Howell-Jolly bodies
Target cells
What are features of sequestration crises?
Splenomegaly
Abdo pain
Severe anaemia
What is the management of nephrogenic diabetes insipidus?
Chlorthiazide
What are features of iron deficient anaemia?
Raised TIBC
Decreased ferritin, iron and transferrin saturation
What are ECG features of an MI?
ST elevation
New LBBB
What medication should be stopped in the presence of macrolides (e.g. clarithromycin)?
Statins
What are features of cardiac tamponade?
Hypotension Raised JVP Muffled heart sounds Dyspnoea Pulsus paradoxus- drop in SBP during inspiration
When are abx indicated in acute bronchitis?
Systemically very unwell
Pre-existing co-morbidities
CRP 20-100 (delayed prescription)
CRP >100 (immediate prescription)
