Long Case Flashcards
What investigations should be ordered for resistant hypertension?
electrolytes glucose creatinine urine ACR ambulatory blood pressure monitor screen for primary aldosteronism image for renal artery stenosis sleep study urinary catecholamines investigations for cushing’s
What did the sprint study show?
intensive blood pressure management (SBP 120) had reduced death from any cause compared with standard management (SBP 130-140)
NYHA classes?
NYHA I: no symptoms even during exercise
NYHA II: symptoms with moderate exercise
NYHA III: symptoms with slight exercise
NYHA IV: symptomatic at rest
First line therapy for all heart failure patients?
treat iron deficiency (if ferritin < 100 and tsats < 20%)
lifestyle modification: exercise, weight loss, reduce salt and fluid intake, smoking cessation, reduce EtOH intake
education
avoid exacerbating drugs
manage comorbidities - sleep apnoea, depression
Which heart failure patients qualify for cardiac resynchronisation therapy?
LVEF < 35% and QRS > 150
Which heart failure patients qualify for ICD?
LVEF < 35% and NYHA class II to III
What are the causes of pulmonary hypertension?
pulmonary arterial hypertension due to left heart disease due to lung disease CTEPH unclear
What investigations should be done for pulmonary hypertension?
CXR ECG TTE right heart catheterisation RFTs V/Q scan HRCT sleep study
What management may be beneficial for all types of pulmonary hypertension?
diuretics
oxygen (mortality benefit if group 3)
exercise training
transplantation
What are the lipid targets for IHD?
LDL < 1.8 and TC < 4
Complications of long term steroids?
infections osteoporosis hyperglycaemia skin thinning moon facies buffalo hump ecchymoses obesity cataracts glaucoma fluid retention hypertension premature atherosclerotic disease atrial fibrillation myopathy mood disorders psychosis leukocytosis avascular necrosis
First line investigations for cushings?
late night salivary cortisol
24 hour urinary free cortisol
low dose dexamethasone suppression test
What are the anterior pituitary hormones?
GH FSH LH ACTH TSH prolactin
What is the definition of osteoporosis on T score?
osteopaenia -1 to -2.5
osteoporosis < -2.5
If T score not < -2.5 and no minimal trauma fracture what is the indication for osteoporosis treatment?
using FRAX calculator hip fracture risk > 3% or any fracture > 20%
OR T < -1.5 and on prednisolone > 7.5mg for 3/12
How often should DEXA scans be repeated?
2 yearly once diagnosed
What tests should be done for a secondary osteoporosis screen?
FBE, UEC, SPEP, serum FLCs, UPEP, LFTs, CMP, vitamin D, PTH, TSH, ESR, CRP, testosterone
consider: coeliac antibodies, oestrogen/LH/FSH in women, hypercortisolism screen
What is the MOA of bisphosphonates?
binds hydroxyapeptite in bone and act as osteoclast toxin
Side effects of bisphosphonates?
GI irritation (oral)
flu like symptoms, hypocalcaemia (IV)
atypical femoral fracture
osteonecrosis of the jaw
What is the MOA of denosumab?
antibody that binds RANKL to prevent osteoclast bone resorption
What is the general HbA1c target?
<1%
What did the DAPA-HF study show?
reduced risk of worsening heart failure or death from cardiovascular disease in HFrEF patients regardless of whether they had diabetes
What are the relative contraindications for SGLT2 inhibitors?
general thrush infections, recurrent UTI, ketosis prone, frail elderly, prone to dehydration, immunocompromised, active foot ulcer
When are DPP-4 inhibitors contraindicated?
previous pancreatitis
What are the side effects of GLP1 agonists?
nausea (usually transient), ?pancreatitis, ?neuroendocrine tumours, injection site nodules
To what GFR can SGLT2 inhibitors be used?
according to AMH < 30 as at this level will have reduced glycaemic lowering effect but may still have benefits for CV risk and BP control
What investigations should be ordered in a liver screen?
hepatitis serology (A/B/C) EBV CMV Anti-mitochondrial antibody Anti-smooth muscle antibody Anti-liver/kidney microsomal antibodies Anti-nuclear antibody p-ANCA Alpha-1 Antitrypsin Serum Copper Ceruloplasmin Ferritin
What investigations should be done for coeliac disease?
tTG-IgA (tissue tranglutaminase antibody) + total IgA level
OR
tTG-IgA and DPG-IgG (deamidated gliadin peptide)
What other tests should be done in a new diagnosis of coeliac disease?
DEXA TSH fasting BSL LFTs nutrition assessment: iron, B12, folate, vitamin D, magnesium, zinc
What are the extra intestinal manifestations of IBD?
oral ulcers erythema nodosum large joint arthritis episcleritis primary sclerosing cholangitis ankylosing spondylitis uveitis pyoderma gangrenosum kidney stones, gallstones
Which medications are used for crohn’s?
corticosteroids
thiopurines
methotrexate
biologics
Which biologics are used for crohn’s?
infliximab/adalimumab (anti TNF)
vedolizumab
ustekinumab
What pharmacotherapy options are available for fatty liver disease?
none on PBS
metformin - but doesn’t improve histology
pioglitazone - but risk of weight gain, CCF, osteoporosis
vitamin E - but risk of haemorrhagic stroke
liraglutide
What are the complications of fatty liver disease?
fibrosis cirrhosis HCC CVD (independent risk factor) mortality (all cause)
What are the extra hepatic manifestations of hepatitis C?
membranoproliferative GN porphyria cutanea tarda cryoglobulinaemia lymphoproliferative disorders lichen planus thyroid dysfunction diabetes sjogren’s syndrome polyarthritis
What issues need to be considered for direct acting antiviral therapy for hepatitis C?
genotype presence of cirrhosis concomitant medications/drug interactions (PPIs, statins, amiodarone, anti epileptics) HBV HIV serology eGFR avoidance of pregnancy
What investigations should be done in a patient with chronic hepatitis B?
HBeAg HBV DNA hep A IgG, Hep C Ab, Hep D Ab, HIV LFTs INR AFP liver US fibroscan
Which patients with HCC are eligible for transplant?
a single nodule < 6.5cm or up to 3 nodules the largest of which is < 4.5cm
What is the treatment for PBC?
ursodeoxycholic acid
What is PSC associated with?
UC
What additional treatments are available for UC but not crohns?
5-aminosalicylates
cyclosporin
How often should patients with UC have a colonoscopy to monitor for bowel cancer?
every 3 years after 9 years
What are the treatment related complications of UC?
infections
lymphoma
non melanoma skin cancer (thiopurines)
melanoma (anti TNF)
What are the causes of microcytic anaemia?
iron deficiency thalassaemia anaemia of chronic disease sideroblastic anaemia lead poisoning
What are the causes of normocytic anaemia?
bleeding haemolysis anaemia of chronic disease renal failure bone marrow failure
What are the causes of macrocytic anaemia?
B12 deficiency folate deficiency drugs alcohol chronic liver disease reticulocytosis hypothyroidism MDS
What are the elements of the child pugh score?
encephalopathy INR ascites albumin bilirubin
What diet should chronic liver disease patients be on?
high protein low salt
What are the complications of chronic liver disease?
oesophageal varices ascites +/- SBP hepatic encephalopathy malnutrition sarcopaenia osteoporosis coagulopathy thrombocytopaenia hepatorenal syndrome hepatopulmonary syndrome HCC
When should patients with chronic liver disease have gastroscopy?
screening gastroscopy then annually if small varices and second yearly if no varices
What is the primary prophylaxis for oesophageal varices?
non selective beta blocker or endoscopic band ligation
What is the secondary prophylaxis for oesophageal varices?
variceal banding and non selective beta blocker
What is the pharmacological treatment for ascites?
spironolactone 100mg daily +/- frusemide 20mg daily
max dose spironolactone 400mg daily
How is spontaneous bacterial peritonitis diagnosed?
> 500 leuks or > 250 PMN in ascitic tap
When is primary prophylaxis indicated for SBP?
if low protein < 10g/L or bili >50 with impaired renal function
What are precipitating factors for hepatorenal syndrome?
sepsis/bleeding, acute on chronic liver failure, NSAIDs, paracentesis without albumin replacement, recent TIPS
What is the treatment for hepatorenal syndrome?
avoid nephrotoxic drugs, treat underlying precipitants, withhold diuretics, albumin, terlipressin
What are the precipitants for hepatic encephalopathy?
infection, bleeding, constipation, diarrhoea, metabolic/electrolyte derangement, drugs (opioids, benzos)
What is the treatment for warfarin reversal if life threatening bleeding?
vitamin K infusion
prothrombinex
FFP
What are the common sites affected in graft vs host disease?
skin, GIT, liver, lungs, mucosal surfaces
What is the treatment for graft vs host disease?
steroids
calcineurin inhibitors
What are the complications of multiple myeloma?
hypercalcaemia hyperviscocity spinal cord compression tumour lysis renal disease
What are the complications of thalassaemia?
renal disease due to hyperuricaemia cardiomyopathy due to iron toxicity diabetes due to iron toxicity infections osteoporosis
What are the treatment options for von willebrands disease?
DDAVP during any interventions
TXA
human plasma derived VWF
What is required for a thrombophilia screen?
factor V leiden antiphospholipid antibodies antithrombin protein C, protein S prothrombin gene mutation
What are the complications of CVID?
immune cytopaenia - ITP, AIHA thyroid disease pernicious anemia polyarthropathy polymyositis vitiligo lymphoma gastric cancer amyloidosis impaired lung function/interstitial lung disease/bronchiectasis lymphoproliferation: lymphadenopathy, splenomegaly granulomatous disease
What are the live vaccines?
MMR MMRV oral poliovirus yellow fever varicella HSV rotavirus smallpox adenovirus BCG
What are the major and minor duke criteria for infective endocarditis?
major: positive BC with typical organism in 2 seperate cultures or positive C. burnetii serology evidence of endocardial involvement minor: predisposition fever vascular phenomena immunological phenomena microbiological evidence increased ESR, CRP
What are the indications for valve surgery in infective endocarditis?
IE with signs/symptoms of heart failure paravalvular extension of infection infection with difficult to treat pathogens persistent infections complete heart block \+/- large vegetations (>10mm)
What is the management for CIDP?
steroids steroid sparing agent IVIG PLEX rituximab for nodal disease
What lifestyle advice should be given to patients with seizures?
consider occupational safety
driving - usually need to be 6 months seizure free
good sleep patterns
avoid alcohol
no baths, when having a shower turn cold tap on first
no ladders
medical alert bracelet
What is the McDonalds criteria in MS?
to decide if this is a clinically isolated syndrome vs MS
2 lesions disseminated in time AND space
What tests should be done to exclude MS mimics?
ANA/ENA, vasculitic screen, anti-aquaporin 4 and anti MOG antibodies, syphillis serology
How can you manage bladder dysfunction in MS?
oxybutinin
betmiga
botox
pelvic physiotherapy
How can you manage spasticity in MS?
baclofen
gabapentin
physiotherapy
How can you manage fatigue in MS?
treat concurrent depression review sleep hygiene amantadine modafanil OT assessment
What tests are used to investigate myasthenia gravis?
antibodies - AChR, MuSK
repeated nerve stimulation study
single fibre EMG
CT chest (thymoma)
What are management options for myasthenia gravis?
pyridostigmine (cholinesterase inhibitor) steroids steroid sparing agents IVIG PLEX