Cardio Flashcards
AS
Significant negs
Infective endocarditis
LVF
Indicators of severity (narrow PP, quiet A2, S4)
AS
Causes
- Senile calcification
- Bicuspid valve
- Rheumatic heart disease
AS
Triad of symptoms
Dyspnoea
Angina
Syncope
AS
Investigations
ECG (LVH, arrhythmia)
Bloods (FBC, U+E, BNP, lipids, glucose)
CXR (LVH)
Echo (severity, LV function, cause)
Coronary angiogram
AS
Echo features of severe
Valve area <1cm2
Pressure gradient >40mmHg
Jet velocity >4m/s
AS
Mx
General (MDT, optimise CV risk, monitor)
Surgical (valve replacement +/- CABG) - if symptomatic or
severe
Other (TAVI)
MR
Significant negs
Infective endocarditis
AF
LVF
MR
Causes
Functional: LV dilatation
Annular calcification
Rheumatic heart disease
Valve prolapse e.g. pap muscle rupture
MR
Investigations
ECG (arrhythmias, LVH, P-mitrale)
Bloods (FBC, U+E, BNP, lipids, glucose)
CXR (LA/LV hypertrophy, oedema, calcification)
Echo (severity, LV function)
Coronary angiogram
MR
Echo features of severe
Jet width >0.6cm
Systolic pulmonary flow reversal
Regurgitant volume >60ml
MR
Mx
General (MDT, optimise CV risk, monitor)
Specific (AF, emboli, reduce after load)
Surgical (valve replacement/repair) if symptomatic
AF
Significant negs
Murmur
Evidence of thyrotoxicosis
LVF
Bruising from warfarin
AF
Cardiac causes
IHD
Rheumatic heart disease
Hypertension
Mitral valve pathology
AF
Non-cardiac causes
Thyrotoxicosis
Alcohol
Pneumonia
Hypokalaemia
RA
Post-op
PE
AF
Investigations
ECG (confirm Dx, look for cause e.g. ischaemia)
Bloods (FBC, U+E (K), TFTs, trops, D-dimer)
CXR (oedema, pneumonia)
Echo (valves, LV function)
Acute AF (<48h)
Mx
If adverse signs: DC shock, seek help, amiodarone 300mg over 10-20 mins, repeat shock, amiodarone 900mg over 24h
If stable: control rate with b-b or diltiazem, consider digoxin or amiodarone if in heart failure, assess thromboembolic risk and consider anticoagulation
Paroxysmal AF
Mx (need to clarify)
Pill in pocket
Prevention (b-b)
Persistent AF
Rhythm control
Younger pts
>3w anticoagulation with warfarin, exclude thrombus with TOE
Cardioversion (DC/medical)
Persistent AF
Rate control
b-b or rate limiting CCB
Can add digoxin
AF
Other mx
Radiofrequency ablation of the AV node
Maze procedure
Pacing
What are the causes of LEFT heart failure?
- Ischaemic heart disease
- Idiopathic dilated cardiomyopathy
- Hypertension
- Mitral and aortic valve disease
What are the causes of RIGHT heart failure?
Left ventricular failure
Cor pulmonale
Tricuspid and pulmonary valve disease
What is the NYHA classification?
- No breathlessness
- Breathless with moderate exertion
- Breathless with mild exertion
- Breathless at rest
How do you investigate chronic heart failure?
ECG: ischaemia, hypertrophy, arrhythmia
Bloods: FBC, U+E, BNP, lipids glucose
CXR: ABCDEF
Echo - gold standard
What do you look for in an echo for heart failure?
Global systolic and diastolic function
Focal/global hypokinesia
Hypertrophy
Valve lesions
What is the management of heart failure?
General: MDT, optimise CV risk (conservative and medical), monitor
Specific (medical): b-b + ACEi, spiro, digoxin, cardiac resynchronisation therapy
Surgical: LVAD, heart transplant
What are the three clinical signs of hyperexpansion?
Reduced cricosternal distance
Loss of cardiac dullness
Palpable/displaced liver edge
What are the significant negatives in a COPD exam?
CO2 retention flap
Cor pulmonale i.e. signs of right heart failure
Clubbing (could indicate cancer)
Differentials for COPD?
Chronic asthma
Bronchiectasis
What is the definition of chronic bronchitis?
Cough productive of sputum for >/= 3months on >/= 2 consecutive years
What is the definition of emphysema?
Histological description of alveolar wall destruction with airway collapse and air trapping
Investigations in COPD?
Bedside: PEFR, BMI, sputum mc&s
SPIROMETRY: obstructive
Bloods: FBC (polycythaemia), ABG (T2 resp failure), CRP (infective exacerbation), Albumin (malnutrition), a1-AT
Imaging: CXR, echo (cor pulmonale)
What do you find on spirometry with COPD?
Obstructive pattern Increased total lung capacity and residual volume FEV1 <80% FEV1/FVC <0.7 Reduced transfer factor
What are you looking for on a CXR in COPD?
Acute: consolidation, pneumothorax
Chronic:
- Hyperinflation (>10 posterior ribs), flat diaphragm
- PHT (prominent pulmonary arteries, peripheral oligaemia)
- Bullae
What is the general management of COPD?
MDT: dietician, physio, resp physician, specialist nurses
SMOKING CESSATION: specialist nurse and support programme, nicotine replacement therapy (varenicline = partial nicotinic agonist)
Pulmonary rehab therapy: tailored exorcise programme, disease education and psychosocial support
Comorbidities: nutrition, CV risk, vaccination (pneumococcal and seasonal flu)
What is the medical management of COPD?
Anti muscarinics
b2 agonists
ICS
Theophylline
Home emergency pack for exacerbations
LTOT (aiming for PaO2 >8 for >15h/day) if stable non smokers with PaO2 <7.3 OR <8 with cor pulmonale or polycythaemia
What is the GOLD classification?
Based on mMRC dyspnoea score (1-5) and airflow limitation (based on FEV1) and no. of exacerbations per year
What is the mMRC dyspnoea score?
- SOB on vigorous exertion
- SOB on hurrying or walking up stairs
- Walks slowly or has to stop for breath
- Stops for breath after <100m / few mins
Too breathless to leave the house or SOB on dressing
How is airflow limitation classified?
Mild >80%
Moderate 50-79%
Severe 30-49%
Very severe <30%
What are the significant negatives for pulmonary fibrosis exam?
Cyanosis
Cor pulmonale
Specific cause e.g. rheumatoid hands or sclerodactyly
What are some differentials for pulmonary fibrosis?
Bronchiectasis
Chronic lung abscess
What are the causes of UPPER zone fibrosis?
APENT
Aspergillosis (ABPA) Pneumoconiosis (coal, silica) EAA/hypersensitivity pneumonitis Negative sero-arthropathy (ank spond) TB
PPFE
What are the causes of LOWER zone fibrosis?
STAIR
Sarcoid (mid zone) Toxins: BANS ME Asbestosis IPF Rheum: RA, SLE, SS, sjogren's PM/DM
What are the drug causes of pulmonary fibrosis?
BANS ME
Bleomycin Amiodarone Nitrofurantoin Sulfasalazine Methotrexate
What are the investigations for pulmonary fibrosis?
Bedside: PEFR, ECG (RVH)
Bloods: FBC, ABG, ESR and CRP (IPF)
Imaging: CXR (reticulonodular shadowing and reduced lung volume), HRCT (fibrosis and honeycomb lung)
SPIROMETRY: restrictive
Other: echo (PHT), BAL (for disease activity), biopsy
What is the management of pulmonary fibrosis?
MDT: GP, pulmonologist, palliative care, physio, psych, specialist nurses, family
Rx specific cause: STEROIDS for EAA, sarcoid and CTD
Supportive care: STOP SMOKING, pulmonary rehab, LTOT, symptomatic tx e.g. anti tussives (codeine) and heart failure medication
Surgery: Lung transplant is only cure in IPF
What are the significant negatives in a bronchiectasis exam?
cor pulmonale
specific causes e.g. RA hands, yellow nails, CF, IBD
What is the differential for bronchiectasis?
IPF
Chronic lung abscess
How can you classify the causes of bronchiectasis
Congenital or acquired
What are the CONGENITAL causes of bronchiectasis?
CF
PCD/Kartagener’s
Young’s: azoospermia and bronchiectasis
Hypogammaglobulinaemia: XLA, CVID, SAD
What are the ACQUIRED causes of bronchiectasis?
Idiopathic
Post infectious: pertussis, TB, measles
Obstruction: tumour, foreign body
Associated: RA, IBD (UC), ABPA
What are investigations for bronchiectasis?
Bedside PEFR and urine dip (proteinuria - amyloid)
Bloods: FBC (ACD), serum Ig, Aspergillus (RAST, precipitins, IgE, eosinophilia), RA (anti CCP, RF)
CXR: tramlines and ring shadows (grapes)
HRCT: SIGNET RING SIGN: thickened dilated bronchi and smaller adjacent vascular bundle. Pools of mucus in saccular dilatations
Spirometry: obstructive
Other: bronchoscopy and mucosal biopsy, CF sweat test, aspergillum skin prick testing
What are the complications of bronchiectasis?
Cachexia PHT Massive haemoptysis T2 respiratory failure Amyloidosis
What is the CONSERVATIVE management of bronchiectasis?
MDT: GP, resp consultant, physio, dietician, immunologist
Physio: postural drainage, active cycle breathing, rehab
What is the MEDICAL management of bronchiectasis?
ABX for exacerbations
Bronchodilators: nebuliser b-agonists
Tx underlying cause: CF (creon, ADEK), ABPA (steroids), Immune deficiency (IVIG)
Vaccination: flu, pneumococcus