Angina, MI, Pericarditis, Pericardial effusion and cardiac tamponade, Myocarditis Flashcards

1
Q

Angina

  • core presentation (typical, atypical)
  • confirming angina
A

Typical
1. worse on exertion
2. chest/neck/jaw/shoulder/arm pain
3. better with rest/GTN in 5mins

Atypical
2 typical + GI discomfort/SOB/nausea

Rapid access chest pain clinic => ECG
STEMI => PCI
NSTEMI => consider PCI
Typical/atypical/not angina with ECG changes => CTCA
Non angina pain, no ECG changes => alternative diagnosis

1st line - CTCA
2nd line - NIFT

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2
Q

Angina
- management (acute, maintenance)
- secondary prevention

A

All - aspirin + statin
Acute - GTN
-prophylactic before physical exertion

Maintenance - Bb/cardiac CC (verapamil/diltiazem)
2nd line - combine Bb with non cardiac CCB
3rd line - ISMN/nicorandil/ivabradine/ranolazine

DON’T GIVE CARDIAC CC and BB TOGETHER => HB

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3
Q

Angina mimics

A

Cardioresp
- exacerbation of asthma, COPD
- PE, PT
- CAP
- pulmonary edema

GI
-reflux

MSK
-costochondritis

Psych
-anxiety

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4
Q

ACS
- core features
- referral
- hospital management

A

Angina lasting for 15mins+ at rest
Not relieved by GTN
N+V, sweating, SOB

MONA (300mg aspirin)
12ECG
Don’t use nitrates in hypotension

A&E
-current pain
-pain in last 12hrs AND ECG changes/not available
Urgent day assessment
-pain in last 12hrs AND normal ECG
-pain in 12-72hrs

B
-12ECG (STelevation/depression, T inversion, Q waves)
B
-Tnt - high
-FBC, U&E, LFT, CRP, glucose, lipids
I
-CXR, echo

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5
Q

STEMI management
- immediate
- definitive

A

STAT MONA

U12hrs
PCI in 2hrs
✅ - prasugrel
-heparin during

❌- fibrinolysis + fondaparinux
- ticagrelor post-fibrinolysis

  • ECG check in 60-90mins => PCI if needed

If presenting after 12hrs => PCI if still MI or cardiogenic shock

High bleed risk or on AC
-prasugrel => ticagrelor => clopidogrel

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6
Q

NSTEMI management

  • immediate
  • definitive
A

STAT MONA
Fondaparinux unless PCI
GRACE - predict 6month mortality, CV risk

U3% - ticagrelor

3%+ - PCI within 72hrs + prasugrel/ticagrelor + heparin
-immediately if unstable

If high bleed risk
-swab fondaparinux for alt antithrombin
-swap prasugrel => ticagrelor => clopidogrel
If on PO AC
-swap prasugrel/ticagrelor => clopidogrel

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7
Q

Secondary prevention
- medication
- lifestyle
- rehabilitation

A

GTN
DAPT
ACEi/ARB
Bb
Statin

Exercise, diet
Smoking, alcohol

Cardiac rehab
- started before discharge
- education on physical activity, lifestyle advice, stress management, health

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8
Q

Comparison of antiplatelets and their relative potency

A

Prasugrel
Ticagrelor
Clopidogrel

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9
Q

Management of all MI patients in hospital

A

ACS specific LMWH 5 days (heparin if PCI planned) => VTE prophylactic LMWH

Cardiac monitoring - 48hrs
Admit - 4-7 days
-daily examination
-2-3 days TnT

Correct electrolyes
Start ACEi, Bb - reduce cardiac remodelling, demand

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10
Q

Anteroseptal changes

ECG areas
Coronary artery affected

A

V1-4

LAD - ventricles, IV septum

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11
Q

Inferior changes

ECG areas
Coronary artery affected

A

II, III, aVF

RCA - RA, RV, SAN, AVN

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12
Q

Anterolateral changes

ECG areas
Coronary artery affected

A

V4-6, I, aVL
LAD - ventricles, IV septum
LCx - LA, LV

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13
Q

Lateral changes

ECG areas
Coronary artery affected

A

I, aVL, V5-6

LCx - LA, LV

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14
Q

Posterior changes

ECG areas
Coronary artery affected

A

Tall R waves, not Q waves
V1-3 ST depression, not ST elevation
LCx - LA, LV
RCA - RA, RV, SAN, AVN

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15
Q

Pericarditis
-etiology

A

MAJORITY - INFLAMMATION 2NDARY TO VIRAL INFECTION
Infectious - Coxsackie, TB

Post MI
- 3 days - fibrinous pericarditis
- weeks/months - AI pericarditis (Dressler)

RT

Connective tissue - Lupus, RA

Hypothyroid

Malignancy - lung, breast

Trauma

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16
Q

Pericarditis
-presentation, symptoms

A

Acute, sharp, pleuritic pain
Improved by sitting and leaning forward

Pericardial friction rub - differentiated from pleural rub when breath held

If infectious - fever, tired

17
Q

Pericarditis
-investigations

A

B
-ECG - widespread ST elevation, PR depression most specific
B
-CRP - inflammation
-Troponin - myocardial involvement?
-Urea - uremic cause?
I
-GOLD STANDARD - Echo - pericardial effusion
-CXR - pericardial effusion, cardiomegaly

18
Q

Pericarditis
-management

A

NSAID + colchicine, avoid strenuous physical activity until resolution and normalisation of inflammatory markers

High risk - high fever, high troponin => IP

19
Q

Pericardial effusion
-presentation
-risk factors
-diagnosis
-management

A

SOB
DIscormfort when lying down
Retrosternal pain
Lightheaded

Muffled heart sounds
Low BP

Pericarditis
SLE/RA
Trauma
Mets

Gold standard - Echo

Depends on cause
-NSAIDs +/- colchicine
May need pericardiocentesis if unstable

20
Q

Myocarditis
-causes
-presentation
-investigations
-management
-complications

A

Young children with chest pain
Acute
SOB, arrythmias

Viral - coxsackie B, HIV
Bacterial - diptheria
AI

High CRP, TnT, BNP
Tachycardia, arrythmia
ST changes

Treat underlying cause - ABx if bacterial
Supportive (heart failure/arrythmias)

Can lead to HF, arrythmias, dilated cardiomyopathy

20
Q

Differentiating between STEMI, NSTEMI and unstable angina

A

TnT high
STEMI - ST elevation
-complete occlusion
NSTEMI - ST depression, T inversion
-partial occlusion => ischemia
Unstable angina

No cardiac markers => unstable angina
-can have ECG ischemic changes

21
Q

Myocardial infarction complications timeline

A

Tachyarrythmia - VF, VT
=> Cardiac arrest
Bradyarrythmia - after inferior MIs

Cardiogenic shock

Left ventricular aneurysm - persistent ST elevation, LVF

Rupture of papillary muscle => mitral regurgitation (hypotension, pulmonary edema)

48hrs - pericarditis
2-6wks - Dresslers (fever, pleuritic, pericardiac effusion, ESR)

1st week - VSD (AHF, pansystolic murmur)
1-2wks - left ventricular free wall rupture (raised JVP, pulsus paradoxus, reduced heart sounds)

Long term complication
-chronic heart failure