Random Knowledge to review Flashcards
Sudden chest pain + neurology important condition?
Rule out aortic dissection
Expanding aorta can compress sympathetic trunk etc- Horner’s syndrome
Vomiting/Diarrhoea effects on pH etc?
Vomiting causes alkalosis
Diarrhoea causes acidosis due to bicarbonate loss, also hypokalaemia due to loss of potassium
Mesenteric ischaemia triad?
CVD, high lactate, soft but tender abdomen
In what condition should adenosine be avoided in?
Bronchospasm
Management of major bleeding (eg variceal haemorrhage, intracranial harmorrhage) due to high INR?
Stop warfarin
Give intravenous vitamin K 5mg
Prothrombin complex concentrate
(FFP if not available)
Beck’s triad of features for cardiac tamponade?
Beck’s triad-
Hypotension
Raised JVP
Muffled heart sounds
What to do if high risk of cardioversion failure in elective AF rhythm control?
Amiodarone for 4 weeks prior to electrical cardioversion
How can a brisk upper GI bleed present?
Fresh PR blood rather than malena can happen if quick bleed- variceal (usually malena)
High urea levels indicate an upper GI bleed especially if raised out of proportion to creatinine
Which condition is closely related to primary sclerosing cholangitis?
Ulcerative colitis
Which liver enzyme is raised in an obstructive picutre?
ALP
What is the hallmark symptom of refeeding syndrome?
Hypophosphatemia- may result in significant muscle weakness and cardiac failure
Hypokalaemia
Hypomagnesaemia
Abnormal fluid balance
Criteria for patients being high risk of refeeding syndrome?
One or mote of the following:
BMI < 16kg/m2
unintentional weight loss >15% over 3-6 months
little nutritional intake > 10 days
hypokalaemia, hypophosphataemia or hypomagnesaemia prior to feeding (unless high)
Two or more of the following:
BMI < 18.5 kg/m2
unintentional weight loss > 10% over 3-6 months
little nutritional intake > 5 days
history of: alcohol abuse, drug therapy including insulin, chemotherapy, diuretics and antacids
Torsades de pointes treatment?
IV magnesium
Can be precipitated by hypomagnesaemia
Is high urea associated with a lower or upper GI bleed?
Upper GI Bleed
Smoking cessation?
Patients offered nicotine replacement therapy (NRT), varenicline or bupropion
Varenicline and bupropion CI in pregnancy
Bupropion CI in epilepsy
How to calculate pack years?
Number of packs smoked per day x the number of years they smoked for
20 in a pack, if smoking 15 a day example would be
0.75x30 years
Statin contrindications?
Pregnancy
Macrolides- erythromycin, clarithromycin
CURB65 score criteria?
Confusion
Urea >7
Resp rate >30
Systolic <90 Diastolic <60
> 65 years olf
CRB65 pre hospital
CURB65 in hospital
When is infliximab used in Crohn’s disease?
In refractory disease or fistulating Crohn’s
What should be assessed before starting azathioprine or mercaptopurine in Crohn’s disease?
+TMPT actvity
Spirometery results in idiopathic pulmonary fibrosis?
FEV1:FVC ratio >70%, decreased FVC
Impaired gas exchange (reduced TLCO)
Painful shin rash + cough?
?Sarcoidosis
Main side effect ACEi?
Dry cough
What are the high risk factors for pneumothorax?
Haemodynamic compromise
Significant hypoxia
Bilateral pneumothorax
Underlying lung disease
≥ 50 years of age with significant smoking history
Haemothorax