Final deck 2 Flashcards
Treatment given before carcinoid surgery
Octeride - somatostatin anologue as it blocks precursor of sertraline
What is neuralgic amytrophy
Basically brachial neuritis - intense paina round shoulder then patchy neuropathy for a few weeks afterwards. Usually mild sensory features but LMNL signs with a wining scapula
Can be due to vaccines, childbirth, trauma
How to differentiate left and right axial myomas
Left - TIA and strokes
Right - PEs and pulmonary HT
General - weight loss, malaise, night sweats, joint pains
Features of type 1 myotonic dtrophy
4 Ds
distal weakness initially
autosomal dominant
diabetes
dysarthria
How to work out standard error of mean
Standard error of the mean = standard deviation / square root (number of patients)
Brachial neuritis is characterized by…
acute onset unilateral severe pain followed by shoulder and scapular weakness several days later
Commonest cause of osteonecrosis of the jaw
IV Bisphosphonates for cancer
WPW Acute treatment
Flecanide
Pain in neck and specific hand muscle weakness, whats the diagnosis
Cervical rib
Factor V leiden deficiancy treatmetn
DOAC
Features of ariboflavinosis
B2 (Riboflavin) deficiency - normochromic anaemia, glosittis, angular stomatitis, photosensitivity
How does copper deficiency present
Menkes disease - blue sclera, osteoporosis, steel coloured hair
Most effective lipid lowering drug
Fibrates
How do fibrates work
Increase liver enzymes whihc metabolise LDLs
Prefered drug used in raised triglycerides
How does ezetimbie work
Inhibits cholestrol gut absorption
Porphyria genetic inheritance
Autosomal dominant with incomplete penetrance
Porphyria cutanea tarda presentation
Photosensitive rash with bullae and hep C/Alcohol
Trinucleotide repeat disorders
Fragile X
Friedrichs ataxia
Huntingtons
Myotonic dystrophy
Spinocerebellar ataxia
Features of cowdens syndrome
PTEN gene
Hamartomas in breast and thyroid
Drugs that cause hepatitis
Paracetamol, aspirin, valproate, NSAIDs, phenytoin, alcohol, statins, ioniazid
Drugs that cause cholestasis
Co-amox, fluclox, clarithromycin, carbimazole, anabolic steroids, rifampacin, chlorpromazine
P450 Inducers (reduce drug affect)
SCRAP GPS
Sulfonlyureas
Carbamazepine
Rifampicin
Alcohol (chronic)
Phenobarbital
Grisofacin
Phenytoin
St Johns wart
Drugs for acute intermittent porphyria triggers
ABCDS
Alcohol, antihistamines, antidepressants
Barbituates
Cephlasporins, contraception
Diuretics
Sulfonlyureas
SSRI antedote
Cryptoheptadine
Define the hawthorne affect
Participants change behaviour when knows it is being studied.
What is a type 1 error (alpha)
Null hypothesis rejected when true (false positive)
What is a type 2 error (beta)
Null hypothesis accepted when false (false negative)
What does dabigatran work on
Direct thrombin inhibitorW
What is the reversal agent for dabigatran
Idarucizumab
What is essential thrombocythaemia and what is seen on bone marrow biopsy
Platelet count >450 and JAK2 mutation present
Biopsy has staghorn megakaryocytes
CML treatment
Imatinib
CLL Treatment and blood film finding
Fludarabine, cyclophosphamide, rituximab
Blood film finding - smear cells
GS investigation for CLL
Immunophenotyping
GS investigation for CML
FISH assay
Non-hodgkins lymphoma management
R-CHOP
Hodgkins lymphoma management
ABVD
Has reed stenberg cells
B and T cell lymphoma tumour biomarkers
B cell - CD20
T cell - CD3
How does doxorubicin and epirubicin work
Inhibit topoismerase II to prevent DNA/RNA synthesis
How do paclitazel and docetaxel work
Distrubts microtubules (neuropathy)
How does etoposide and arintoecan work
Uncoils DNA
How does vincritstine and vinblastin work
Microtbule distruption
What does alematuzumab work on
Anti-CD52 - CLL
TLS Bloods
High potassium, low calcium, high urate, low phosphate
Morphine and diamorphine ratios
2/3 diamorphine to 1 morphine
First line treatment for agitation
Halopiradol
First and second line for hiccups
Chlorpromazine –> haloperidol
Length of time for cancer related DVT/PE Rx
3 months
Indications for BIPAP
Worsening type 1 RF
COPD with resp acidosis of <7.35 BUT more than 7.25
Cardiogenic PO unresponsive to CPAP
Intubation weaning
Remember cant give if confused, vomiting, haemodynamically unstable, burns, untreated pneumothorax.
Pulmonary vasculitis management
Acute - pred + cyclophosphamide
Remission - azathioprine
What patients get a chest drain for pneumothorax
Over 50 and smokes
Underlying lung disease
Haemothorax
Bilateral
Hypoxia
What does the A waveform correlate to
Atrial contraction
What does the C waveform correlate to
Tricuspid valve closure
What does the X descent correlate to
Fall of atrial pressure during ventricular systole
What does the V waveform correlate to
Passive filling of Right atria
What does the Y descent correlate to
Tricuspid valve opening
What causes large A waves
Tricuspid stenosis or P HT
What causes cannon A waves
Heart block
What causes absent A waves
AF
What causes large V waves
Tricuspid regurg
What MI responds well to IVT
Posterior MIs
Complication of BB
Raised BMs
Rheumatic fever presentation
Arthalgia, fever, rash, prolonged PR, HB, Erythema marginatum (looks like ringworm)
Hypertrophic Obstructive cardiomyopathy management
ABCD -
Amiodarone, beta blocker/verapamil, cardioverter defib, dual chamber pacemaker
Acute pericarditis ECG findings
ECG - PR depression (more specific) and saddle ST elevation
Myocarditis causes (infection)
Diptheria
HIV
Coxsackie
Toxopmasmosis
Trypanomiosis
Lymes disease
Difference between mobitz type 1 and type 2
Type 1 - progressive PR then dropped beat
Type 2 - same PR then dropped beat
How to differentiate atrial flutter from atrial tachy
Atrial tachy has isoelectric baseline
A flutter has 300BPM usually
Brugada syndrome ECG findings
ST elevation in lead 1 and V1-V3 TWI and RBBB
The three cyanotic birth cardiac defects
Pulmonary stenosis
Tetraology of fallot (months old presentation)
TP Great arteries (Presents at birth)
Second line Rx for eosinophilic oesophagitis
PPI and fluticasone oral