Cardiology Flashcards
Acyanotic congenital heart disease
VSD ASD Patent ductus arteriosus Coarctation of the aorta Aortic valve stenosis
Cyanotic congenital heart disease
Tetralogy of fallot
Transposition of the great arteries
Tricuspid atresia
Less common: Pulmonary atresia Hypoplastic left heart Truncus arteriosus Total anomolous pulmonary venous drainage Ebstein anomaly
Presentation of ASD
Asymptomatic in children SOB Palpitations Exercise intolerance Syncope Oedema Arrhythmia - AF and atrial flutter Pulmonary HTN
ASD murmur
Soft systolic ejection murmur
pulmonary area, upper left sternal edge
Management of ASD
Closure of defect by catheter or surgical closure
VSD associations
Edward's syndrome Patau's syndrome Down's syndrome Diabetes in pregnancy Fetal alcohol syndrome
Presentation of VSD
Asymptomatic if small Moderate have symptoms at 5-6 weeks Dyspnoea on feeding FTT Recurrent respiratory infections Heart failure Very large VSD - pulmonary hypertension, right to left shunt and Eisenmenger's syndrome
Murmur in VSD
Loud, harsh, pansystolic murmur at the lower left sternal edge
CXR in VSD
Cardiomegaly
Increased pulmonary vasculature
Management of VSD
Diuretics High energy feeds ACE-I to reduce afterload Surgical repair if heart failure Catheter closure
What is patent ductus arteriosus?
Patent duct at 3 months after term
Usually closes after 10-15 hours in term babies
Full anatomical closure in 2-3 weeks
Occurs in 50% of preterm babies
Presentation of PDA
Small PDAs are asymptomatic Recurrent respiratory infections Feeding difficulties FTT Poor growth Heart failure
Findings in PDA
Loud, machinery, continuous murmur loudest in the left upper sternal border
Bounding femoral pulses
Signs of heart failure
Management of PDA
Premature, small duct: indomethacin, observe
Premature, large duct: fluid restrict, diuretic, may need surgery
Term: unlikely to close itself. Diuretics, surgery
Associations of coarctation of the aorta (4)
Cerebral aneurysms - berry aneurysms in 10%
Turner’s syndrome
Patau’s syndrome (trisomy 13)
Edward’s syndrome (trisomy 18)
Presentation of coarctation of the aorta
In the first few weeks, becomes unwell after closure of ductus arteriosus
Poor feeding Lethargy Heart failure Differential cyanosis Features of Turner's syndrome
Findings in coarctation of the aorta
Systolic murmur in the left infraclavicular area
Reduced pulses and BP in legs
Differential cyanosis
CXR in coarctation of the aorta
Heart failure Rib notching (due to collaterals) Indentation of the aortic shadow
Management of coarctation of the aorta
Prostaglandin E1 Diuretics Inotropes Surgery or ballon angioplasty In adults - beta blockers +/- ACE I
Causes of aortic stenosis
Degenerative calcification Bicuspid aortic valve William's syndrome (supravalvular aortic stenosis) Post-rheumatic disease HOCM (subvalvular)
Presentation of aortic stenosis
Only in childhood if severe Fatigue Chest pain Syncope Dyspnoea
Findings of aortic stenosis
Ejection systolic murmur radiating to the carotids
Soft or absent S2
Slow rising pulse (pulsus parvus et tardus)
Thrill
Management of aortic stenosis
Surgery if symptomatic or valvular gradient over 40 mmHg
Aortic valve replacement - usually transcatheter aortic valve implantation (TAVI)
Prognosis of aortic stenosis
Sudden cardiac death is rare if asymptomatic
Poor outcomes once symptomatic, 2 year survival without surgery around 50%
Four findings in tetralogy of fallot
Right ventricular outflow tract obstruction
Ventricular septal defect
Overriding aorta
Right ventricular hypertrophy
Some children also have ASD
Features of tetralogy of fallot
FTT Feeding difficulties Agitation SOB SOBOE in older children Cyanotic episodes
Findings on examination in tetralogy of fallot
Small child Cyanosis Scoliosis Clubbing Ejection systolic murmur (due to pulmonary stenosis) Cause a right-to-left shunt
CXR in tetralogy of fallot
Boot shaped heart
Increased pulmonary vasculature
When does tetralogy of fallot present?
Age 1-2 months
Sometimes missed till 6 months
Associations with tetralogy of fallot
DiGeorge syndrome
Foetal alcohol syndrome
Treatment of tetralogy of fallot
Prostaglandin E1
Surgical repair in the first year
Shunt may be used as interim or palliative measure
Cyanotic episodes may be helped by beta blockers
What is transposition of the great arteries associated with?
Maternal diabetes
Presentation of transposition of the great arteries
Neonates Later presentation if mixing e.g. VSD Respiratory distress Cyanosis Heart failure Shock
Findings of transposition of the great arteries
Cyanosis
Severe hypoxaemia and acidosis
Murmur if no VSD: none, loud S2
Murmur if VSD: systolic
Murmur if pulmonary stenosis: ejection systolic
CXR in transposition of the great arteries
‘egg on a string’ heart
Management of transposition of the great arteries
Prostaglandin infusion
Arterial switch operation at day 3
Presentation of tricuspid atresia
Cyanosis
Heart failure
Growth restriction
Findings in tricuspid atresia
Cyanosis Raised JVP Large and pulsatile liver If VSD - pansystolic murmur If surgically formed anastomoses - continuous murmur
CXR in tricuspid atresia
Cardiomegaly
Prominent right heart border
Reduced pulmonary vascular markings
Management of tricuspid atresia
Prostaglandin E1 infusion Surgical correction (Fontan's operation, 5% mortality)
Types of pulmonary atresia
Pulmonary atresia with intact ventricular septum
Pulmonary atresia with VSD
Presentation of pulmonary atresia
Immediately after birth
Cyanosis
Feeding difficulties
Dyspnoea
Fatigue
Management of pulmonary atresia
Prostaglandin
Surgical repair
Temporary shunt
Ultimately may need heart transplant
What chromosomal abnormality is pulmonary atresia with VSD associated with?
22q11 deletion syndrome
What are the abnormalities in hypoplastic left heart syndrome?
Mitral valve and/or aortic valve narrowed or blocked
LV underdeveloped
Aorta underdeveloped
ASD
What are the abnormalities in truncus ateriosus?
Single large artery leaving the ventricles which then divides
VSD
What are the abnormalities in total anomolous pulmonary venous drainage?
Pulmonary veins are not connected to the left atria but instead return to the right side of the heart
What are the abnormalities in Ebstein’s anomaly?
Tricuspid valve is malformed
Right ventricle is malformed
Presentation of Ebstein’s anomaly
Usually age 10-30
Neonates: cyanosis, heart failure
Adults: fatigue, SOBOE, cyanosis, right heart failure
Supraventricular tachycardia
Risk of cardiac death from ventricular arrhythmia
Findings in Ebstein’s anomaly
Pansystolic murmur at the lower left parasternal edge due to tricuspid regurgitation
Cyanosis
Clubbing
Signs of right heart failure
Signs of right heart failure
Peripheral oedema
Hepatomegaly
Ascites
Raised JVP
CXR in Ebstein’s anomaly
Cardiomegaly
Large RA
Management of Ebstein’s anomaly
Manage heart failure
Manage arrhythmia
Early surgery
How long after MI can sexual activity resume?
4 weeks
How long after MI can you prescribe sildenafil?
What drugs are contraindicated with sildenafil?
6 months
AVOID if on nitrates or nicorandil
Causes of right bundle branch block
Normal variant Right ventricular hypertrophy Chronically increased RV pressure e.g. cor pulmonale PE MI Atrial septal defect Cardiomyopathy or myocarditis
How do statins work?
Inhibit HMG CoA reductase
At what time of day should patients take statins and why?
Night
This is when the majority of cholesterol synthesis takes place
Which statin to prescribe and which dose?
Primary prevention = atorvastatin 20mg
Secondary prevention = atorvastatin 80mg
When to increase statin dose in primary prevention?
What should you increase it to?
If non-HDL has not reduced by >40%
Consider increasing to 80mg
Contraindications to statins
Macrolides (erythromycin, clarithromycin)
Pregnancy
Previous intracranial haemorrhage
Who should be prescribed a statin?
Established cardiovascular disease 10 year cardiovascular risk greater than or equal to 10% (as per QRISK2) T1DM diagnosed >10 years ago T1DM age >40 T1DM with established nephropathy
Side effects of statins
Myopathy
Liver impairment
Possible increased risk of cerebral haemorrhage
Who is more at risk of myopathy from statins?
Increased age
Female
Low BMI
More common with simvastatin/atorvastatin than rosuvastatin
When to check liver function when taking a statin?
When should you then decide to stop the statin?
Baseline, 3 months and 12 months
Stop if serum transaminase rise to and persist at 3 times upper limit
Normal QTc in men
<430ms
Normal QTc in females
<450ms
What is long QT syndrome?
Inherited condition with delayed repolarisation of the ventricles
Features of long QT syndrome
Sudden cardiac death
Found on ECG or family screening
Syncope after exercise or emotion
Management of long QT syndrome
Avoid precipitant drugs and exercise Beta blockers (NOT sotalol) Implantable cardioverter defibrillator
Causes of a long QT
Congenital Drugs Acute MI Myocarditis Hypothermia Low Ca, Low K, Low Mg
Congenital causes of long QT
Jervell-Lange-Nielson Syndrome (has deafness)
Romano-Ward Syndrome (no deafness)
Drugs causing long QT
Amiodarone Sotalol Tricyclic antidepressants SSRI especially citalopram Methadone Chloroquine Erythromycin Haloperidol Ondansetron
ECG changes for an anteroseptal infarct
V1-V4
Vessels affected in an anteroseptal infarct
left anterior descending
What area and which artery is affected if the ischemic changes are in V1-V4?
Anteroseptal
left anterior descending artery
ECG changes for inferior infarct
II, III, aVF
Vessels affected in an inferior infarct
right coronary
Which area and which vessel is affected if the ischaemic changes are in II, III, and aVF?
Inferior
Right coronary artery
ECG changes for anterolateral infarct
V4-6, I, aVL
Vessels affected in an anterolateral infarct
left anterior descending or left circumflex
Which area and which vessel is affected if the ischaemic changes are in V4-6, I, aVL?
Anterolateral
Left anterior descending artery or left circumflex artery
ECG changes in a lateral infarct
I, aVL +/- V5, V6
Vessels affected in a lateral infarct
Left circumflex
Which area and which vessel is affected if the ischaemic changes are in I, aVL +/- V5, V6?
Lateral
left circumflex vessel
ECG changes in a posterior infarct
Tall R waves in V1-2
Vessels affected in a posterior infarct
Usually left circumflex
Also right coronary
Which area is affected if the ischaemic changes are in V1-2?
Posterior infarct
Usually left circumflex, also right coronary
What does BNP stand for in cardiology?
B-type natriuretic peptide
What is BNP?
A hormone produced mostly by the left ventricle in response to strain
What causes raised BNP levels?
Heart failure
MI
Valvular disease
CKD due to reduced excretion
Drugs that reduce BNP
ACE-I
Angiotensin 2 receptor blockers
Diuretics
Using BNP in heart failure
Unlikely if levels low <100
Good marker of prognosis
Effective treatment lowers BNP
How do beta blockers work?
Antagonists of adrenergic beta receptors
Located in heart, peripheral vasculature, bronchi, pancreas, liver
Side effects of beta blockers
Bronchospasm Cold peripheries Fatigue Sleep disturbance including nightmares Erectile dysfunction
Indications for beta blockers
Angina Post MI Heart failure Arrythmia HTN Thyrotoxicosis Migraine prophylaxis Anxiety
Contraindications to beta blockers
Uncontrolled heart failure
Asthma
Sick sinus syndrome
Concurrent verapamil use
Why can’t you use beta blockers and verapamil together?
May precipitate severe bradycardia
Stage 1 hypertension
Clinic BP ≥ 140/90
ABPM ≥ 135/85
Stage 2 hypertension
Clinic BP ≥ 160/100
ABPM ≥ 150/95
Severe hypertension
Clinic systolic ≥ 180
Clinic diastolic ≥ 120
When to offer treatment of stage 1 hypertension?
<80 years AND any of:
Target organ damage Established cardiovasular disease Established renal disease Diabetes 10 year risk >10%
When should you admit in severe hypertension?
Signs of retinal haemorrhage or papilloedema (accelerated hypertension)
New onset confusion, chest pain, acute kidney injury, heart failure
Management of severe hypertension
Admit if life threatening symptoms or accelerated hypertension
Refer if pheochromocytoma suspected
Urgent investigations for end organ damage - bloods, urine ACR, ECG
Lifestyle advice for management of hypertension
Low salt diet - less than 6g/day, ideally less than 3g/day
Reduce caffeine
General lifestyle advice
Patient <40 years diagnosed with hypertension?
Refer to secondary care to consider underlying causes
BP targets in T1DM
<135/85
Unless have albuminuria or 2 features of metabolic syndrome, then it is <130/80
Step 1 HTN management: <55 years or T2DM
ACE-I/ARB
Step 1 HTN management: >55 years or black/caribbean
CCB
Step 2 HTN management: <55 years or T2DM
ACE-I/ARB plus CCB OR thiazide like diuretic
Step 2 HTN management: >55 years or black/caribbean
CCB plus ACE-I/ARB OR thiazide like diuretic
Step 3 HTN management
ACE-I/ARB + CCB + thiazide like diuretic
Step 4 HTN management
K <4.5: low dose spironolactone
K >4.5: alpha or beta blocker
Clinic BP target age <80
140/90
ABPM BP target age <80
135/85
Clinic BP target age >80
150/90
ABPM BP target age >80
145/85
Hypokalaemia and hypertension - causes
Cushing's syndrome Conn's syndrome Liddle's syndrome 11-beta hydroxylase deficiency Carbenoxolone (anti-ulcer drug) Liquorice excess
Hypokalaemia without hypertension - causes
Diuretics GI loss Renal tubular acidosis type 1 and 2 Bartter's syndrome Gitelmann syndrome
What drugs should a patient be on following an MI?
Dual antiplatelet (aspirin + a second)
ACE inhibitor
Beta-blocker
Statin
Exercise following an MI
20-30 minutes a day until slightly breathless
Sex following an MI
4 weeks post MI
What age would a patient get a biological heart valve rather than mechanical? Aortic and mitral
Aortic >65 years
Mitral >70
Anticoagulation in biological heart valves
Life long aspirin
What is the disadvantage of biological heart valves?
Structural deterioration and calcification over time
Target INR in mechanical heart valves - aortic and mitral
Aortic 3.0
Mitral 3.5
Do patients with mechanical heart valves get aspirin along with warfarin?
Only if there is an additional factor e.g. IHD
How does digoxin work?
Increases myocardial contractility
Decreases conduction within the AV node
Indications for digoxin
AF and atrial flutter
Heart failure
Side effects of digoxin
GI upset Arrhythmia Confusion Dizziness Blurred vision
ECG features in digoxin
Down sloping ST/ reverse tick
Flat/inverted T waves
Short QT
Arrhythmia
Features of digoxin toxicity
Generally unwell Nausea, vomiting, diarrhoea Confusion Yellow-green vision Arrhythmia - AV block, bradycardia Gynaecomastia
Precipitants of digoxin toxicity
Hypokalaemia Increasing age Renal impairment MI Low magnesium, low albumin High calcium, high sodium Hypothermia Hypothyroid
Drugs causing digoxin toxicity
Amiodarone Quinidine Verapamil Diltiazem Spironolactone Ciclosporin Drugs that reduce K+: thiazides, loop diuretics
Drugs for angina
1) Aspirin + statin + sublingual GTN
2) Beta blocker OR CCB
3) Both
DVLA - hypertension
If group 2 then disqualified if BP is persistently over 180/100
DVLA - angioplasty (elective)
1 week off
DVLA - CABG
4 weeks off
DVLA - MI
4 weeks off
reduced to 1 week if sucessfully treated by angioplasty
DVLA - angina
Must stop driving if symptoms occur at the wheel
DVLA - pacemaker insertion
1 week off
DVLA - ICD for sustained ventricular arrhythmia
6 months off
DVLA - ICD prophylactically
1 month off
DVLA - group 2 drivers and ICD for sustained ventricular arrhythmia
Banned
DVLA - successful catheter ablation for arrhythmia
2 days off
DVLA - aortic aneurysm of 6 to 6.5cm
Notify DVLA
License subject to yearly review
DVLA - aortic aneurysm of 6.5cm or more
Banned
DVLA - heart transplant
6 weeks off
What is Wolff-Parkinson-White?
Congenital accessory conducting pathway between the atria and ventricles leading to AVRT
As accessory pathway doesn’t slow conduction, AF can degenerate to VF
ECG Features of Wolff Parkinson White
Short PR interval
Wide QRS complexes with slurred upstroke - delta wave
Left axis deviation if right sided accessory pathway
Right axis deviation if left sided accessory pathway
Wolff Parkinson White - associations
HOCM Mitral valve prolapse Ebstein's anomaly Thyrotoxicosis Secundum ASD
Wolff Parkinson White - management
Radiofrequency ablation of the accessory pathway
Sotalol (though NOT if have AF)
Amiodarone
Flecanide
Wolff Parkinson White - presentation
Asymptomatic
Episodes of SVT
HOCM inheritance
Autosomal dominant
HOCM symptoms
Asymptomatic Exertional dyspnoea Angina Syncope Sudden death
HOCM examination findings
Arrhythmia
Jerky pulse
Ejection systolic murmur - increases with valsalva, decreases with squatting
ECHO findings in HOCM
“MR SAM ASH”
Mitral regurg
Systolic anterior motion of the anterior mitral valve leaflet
Asymptomatic hypertrophy
ECG findings in HOCM
LVH Non specific ST segment and T wave abnormalities Progressive T wave inversion Deep Q waves May sometimes see AF
HOCM associations
Friedreich’s ataxia
Wolff Parkinson White
Investigations for angina
1st: CT coronary angiography
2nd: non-invasive imaging
3rd: angiography
Statins and pregnancy
Stop when trying to conceive
Remain off whilst breastfeeding
Moderate to severe aortic stenosis and ACE-I
Contraindicated
When should you choose rate control when managing AF?
> 65 years
Ischaemic heart disease
When should you choose rhythm control when managing AF?
<65 years
Symptomatic
1st presentation
Heart failure
Rate control for AF
1st line: beta blocker or rate limiting CCB (diltiazem)
2nd line: Digoxin
Rhythm control options for AF
Electrical cardioversion
Pharmacological cardioversion
Catheter ablation
Drugs used for pharmacological cardioversion in AF
Flecanide
Amiodarone if structural heart disease
Anticoagulation after catheter ablation in AF
Still need life long
CHADSVASC scoring system
Congestive heart failure = 1 HTN = 1 Age >75 = 2 Age 65-75 = 1 Diabetes = 1 Stroke/TIA/thrombus = 2 Vascular disease = 1 Sex female = 1
What CHADSVASC score would you give treatment for?
0 = none 1 = male consider, female none 2 = treat
What scoring system assesses bleeding risk when considering anticoagulation?
ORBIT
ORBIT scoring system
Hb <130 in men or <120 in women = 2 Age >74 = 1 Bleeding history = 2 Renal impairment = 1 Treatment with antiplatelets = 1
Interpreting ORBIT scoring system
0-2 = low risk 3 = medium risk 4-7 = high risk
Clotting factors blocked by warfarin
II, VII, IX and X
2, 7, 9, 10
Side effects of warfarin
Haemorrhage
Teratogenic but can be used in breastfeeding
Skin necrosis
Purple toes
Major bleeding on warfarin
Stop warfarin
IV vit K 5mg
Prothrombin concentrate or if not available FFP
INR >8 and minor bleeding
Stop warfarin
IV vit K 5mg, repeat 24 hours if needed
Restart warfarin when INR <5
INR >8 and no bleeding
Stop warfarin
Oral vit K, repeat 24 hours if needed
Restart warfarin when INR <5
INR 5-8 and minor bleeding
Stop warfarin
IV vit K
Restart warfarin when INR <5
INR 5-8 and no bleeding
Withhold 1/2 doses of warfarin
Restart at lower dose
Things that potentiate warfarin
Liver disease P450 enzyme inhibitors Cranberry juice Drugs that displace warfarin from albumin e.g. NSAIDs Drugs that inhibit platelets e.g. NSAIDs
Effect of P450 enzyme inhibitors on warfarin?
Increase INR
Effect of P450 enzyme inducers on warfarin?
Decrease INR
ECG findings in atrial flutter
Saw tooth pattern
AV block e.g. 2 to 1
Flutter waves after adenosine
Management of atrial flutter
Similar to AF
Radiofrequency ablation of tricuspid valve isthmus
First degree heart block - ECG findings
PR >0.2 seconds
What are the names for second degree heart block type 1?
Mobitz type 1
Wenckebach
Second degree heart block type 1 - ECG findings
Progressive prolongation of the PR interval until a dropped beat occurs
Second degree heart block type 2 - ECG findings
PR interval constant but P wave often not followed by QRS (i.e. random)
Complete heart block
No association between P waves and QRS
Features of complete heart block
Syncope Heart failure Bradycardia Wide pulse pressure Cannon waves in JVP Variable intensity of S1
What is Takayasu’s arteritis?
Large vessel arteritis causing occlusion of the aorta
What should an absent limb pulse make you think about?
Takayasu’s arteritis
Features of Takayasu’s arteritis
Systemic features Unequal BP in upper limbs Carotid bruit Intermittent claudication Aortic regurg
Management of Takayasu’s arteritis
Steroids
Gives some examples of calcium channel blockers
Verapamil Diltiazem Amlodipine Nifedipine Felodipine
What type of drug is verapamil?
CCB
What type of drug is diltiazem?
CCB
What type of drug is amlodipine?
CCB
What type of drug is nifedipine?
CCB
What type of drug is felodipine?
CCB
Verapamil side effects and cautions
Can't use with beta blockers due to risk of heart block Heart failure Constipation Hypotension Bradycardia Flushing
Diltiazem side effects
Hypotension
Bradycardia
Heart failure
Ankle swelling
Amlodipine side effects
Flushing
Headache
Ankle swelling
How do ACE inhibitors work?
Block angiotensin 1 to angiotensin 2
- reduce vasoconstriction
- promote renal sodium and water excretion
Side effects of ACE inhibitors
Cough in 15%
Angiooedema
Hyperkalaemia
1st dose hypotension
Contraindications to ACE inhibitors
Pregnancy and breast feeding Renovascular disease Aortic stenosis Hereditary of idiopathic angioedema Need specialist advice if K over 5.0
When to monitor U+Es when on an ACE inhibitor?
Before starting
After every dose increase
What changes are acceptable when monitoring U+Es on an ACE inhibitor?
Creatinine up to 30% from baseline
K up to 5.5
Examples of ARBs
Candesartan
Losartan
Irbesartan
What type of drug is candesartan?
Angiotensin 2 receptor blocker
What type of drug is losartan?
Angiotensin 2 receptor blocker
What type of drug is irbesartan?
Angiotensin 2 receptor blocker
Indication for ARBs
When ACE inhibitor not tolerated due to cough
Used preferentially in black/Caribbean
Side effects of ARBs
Hypotension
Hypokalaemia
Examples of thiazide like diuretics
Indapamide
Chlortalidone
Bendroflumethiazide
What type of drug is indapamide?
Thiazide like diuretic
What type of drug is chlortalidone?
Thiazide like diuretic
What type of drug is bendroflumethiazide?
Thiazide like diuretic
How do thiazide like diuretics work?
Block Na reabsorption in the DCT by blocking the Na/Cl symporter
Increase K+ excretion due to more Na reaching the collecting duct
Side effects of thiazide like diuretics
Dehydration, low Na, low K, low Cl Postural hypotension Gout Impaired glucose tolerance Impotence
RARE: thrombocytopenia, agranulocytosis, pancreatitis, photosensitive rash
How do loop diuretics work?
Inhibit the Na/K/Cl cotransporter in the thick ascending limb of the loop of henle, reducing absorption of NaCl
Examples of loop diuretics
Furosemide
Bumetanide
What type of drug is furosemide?
Loop diuretic
What type of drug is bumetanide?
Loop diuretic
Indications for loop diuretics
Heart failure
Resistent hypertension
Side effects of loop diuretics
Hypotension Low Na, low K, low Mg, low Ca Ototoxicity Renal impairment Hyperglycaemia Gout
What type of drug is spironolactone?
Potassium sparing diuretic
What type of drug is eplerenone?
Potassium sparing diuretic
What type of drug is amiloride?
Potassium sparing diuretic
How does spironolactone work?
Aldosterone antagonist
Indications for spironolactone
Ascites
Heart failure
Nephrotic syndrome
Conn’s syndrome
What is the Jones criteria for?
Diagnosing rheumatic fever
What are the major criteria for the Jones criteria?
Erythema marginatum Sydenham's chorea Polyarthritis Carditis and valvulitis Subcutaneous nodules
What are the minor criteria for the Jones criteria?
Raised CRP/ESR
Pyrexia
Arthralgia
Prolonged PR
What criteria must be met to diagnose rheumatic fever?
Evidence of recent strep infection AND 2 major criteria, OR 1 major + 2 minor
What is evidence of recent strep infection?
Raised/rising strep antibodies
Positive throat swab
Positive rapid group A strep antibody test
Management of rheumatic fever
Pen V if any signs of ongoing strep infection
NSAIDs
Management of any complications that arise
Thiazide diuretic impact on calcium
Hypercalcaemia
Hypocalciuria
Which angina medication is associated with GI ulcers?
Nicorandil
Particularly with perforation of diverticulum
At which egfr should you stop a thiazide diuretic?
30
Normal ECG changes in atheletes
Sinus bradycardia
Junctional rhythm
First degree heart block
Wenckebach phenomenon
First line thiazide like diuretic
Indapamide
Anticoagulation post MI if already on warfarin
anticoagulant + 2 antiplatelets for 4 weeks till 6 months
Then 1 antiplatelet + 1 anticoagulant till 12 months
Monitoring for amiodarone
before starting and ongoing
Before starting: LFTs, TFTs, U+E, CXR
Every 6 months: TFTs, LFTs
Half life of amiodarone
20-100 days
Effect of amiodarone on p450
Inhibitor (increases INR)
Effect of amiodarone on ECG
Lengthens QT
Bradycardia
Side effects of amiodarone
Hyper/hypo thyroidism Corneal deposits Pulmonary fibrosis Liver fibrosis/hepatitis Peripheral neuropathy Slate grey skin
Why are beta blockers used less in managing hypertension?
Less likely to prevent stroke and potential for impaired glucose tolerance
What type of drug is isosorbide mononitrate?
A nitrate
Side effects of nitrates
Hypotension
Tachycardia
Headaches
Flushing
How do nitrates work?
Dilate coronary arteries
Reduce venous return to reduce oxygen demand in the left ventricle
First line drug management for angina
Beta blocker OR
CCB
Which CCB should be used if being used as monotherapy for angina?
Rate limiting CCB
Diltiazem or verapamil
Which CCB should be used if being used in combination with a beta blocker for angina?
Modified release nifedipine
Angina management if on beta blocker and CCB and still having symptoms?
Third drug only whilst waiting PCI or CABG
NYHA class I
No symptoms
No limitation on activity
NYHA class II
Mild symptoms
Slight limitation on activity - ordinary activity causes dyspnoea
NYHA class III
Moderate symptoms
Marked limitation on activity - less than ordinary activity causes symptoms
NYHA class IV
Severe symptoms even at rest
Unable to carry out any activity without discomfort
Which patients group need a five yearly pneumococcal booster?
Asplenia
Splenic dysfunction
CKD
1st line for heart failure
ACEI and beta blocker
2nd line for heart failure
Aldosterone antagonists
e.g. spironolactone
3rd line for heart failure
Specialist input Ivabradine Digoxin Hydralazine and nitrates Cardiac resynchronisation
Heart failure management if they also have AF
ACEI
Beta blocker
Digoxin
Referral pathway if BNP is ‘high’
Specialist assessment including echo within 2 weeks
Referral pathway if BNP is ‘raised’
Specialist assessment including echo within 6 weeks
What is a high BNP?
> 400
What is a raised BNP?
100-400
What is a normal BNP?
<100
What is a normal ejection fraction?
50-70%
What is a borderline ejection fraction?
41-49%
What is a low ejection fraction?
<40%