Cardiology Flashcards
CHA2DS2-VASc
CCF - 1
HTN - 1
Age:
=>75 - 2
65-74 - 1
DM - 1
Stroke/TIA - 2
IHD/PAD - 1
Female - 1
CHADS-VaSc 1 (male)
Consider anticoagulation with DOAC (Rivaroxaban)
CHADS-VaSc 1 (female)
No anticoagulation
Need ECHO to exclude valvular heart disease
CHADS-VaSc 2
Offer anticoagulation with DOAC
Normal PR interval
120 - 200 ms
Anteroseptal - ECG changes
V1 - V4
Inferior - ECG changes
II, III, aVF
Anterolateral - ECG
V4-V6, I, aVL
Lateral - ECG changes
I, aVL +/- V5-V6
Posterior - ECG changes
Tall R waves V1-V2
Coronary artery affected: Anteroseptal changes
Left anterior descending
Coronary artery affected: Inferior changes
Right coronary
Coronary artery affected: Anterolateral changes
Left anterior descending,
or,
Left circumflex
Coronary artery affected: Lateral changes
Left circumflex
Coronary artery affected: Posterior changes
Usually left circumflex, also right coronary
Definition of pulmonary arterial hypertension
Resting mean pulmonary artery pressure is >= 25 mmHg
Normal QRS duration
< 120 ms
INR > 8.0 with No bleeding
Oral Vitamin K 1-5 mg
Repeat dose vitamin K if INR still too high after 24hr
Restart warfarin when INR < 5
Heart failure - 1st-line management for all patients
ACEi + beta-blocker
start one, then add other
Heart failure - 2nd-line
Aldosterone antagonist (spironolactone/eplerenone)
Heart failure - 3rd-line options
Ivabradine
Sacubitril-valsartan
Digoxin
Hydralazine with nitrate
Cardiac resynchroniziiton therpy
Heart failure management – criteria for ivabridine
Sinus rhythm >75 bpm +
LVEF <35%
Criteria for using sacubitril-valsartan (Entresto) for heart failure
LVEF <35%
Heart failure management - indication for digoxin
Coexistant AF
Heart failure management - indication for hydralazine with nitrate
Afro-Caribbean patient
Heart failure management - indication for cardiac resynchronization therapy
Widened QRS complex >130ms
Widened QRS complex >130ms
- IHD
- HTN
- Aortic stenosis
- Cardiomyopathy
Prolonged QTc in men
> 440ms
Causes of LBBB
- IHD
- HTN
- Aortic stenosis
- Cardiomyopathy
Hypertension - 4th line medical management
(already taking A + C + D)
- K < 4.5 mmol/l
Add low-dose spironolactone
Hypertension - 4th line medical management
(already taking A + C + D)
- K > 4.5 mmol/l
Add alpha-blocker (doxazosin) or beta-blocker (nebivolol, carvedilol)
Angina - all patients should be on
in absence of contraindications
Aspirin
Statin
Sublingual GTN prn
Angina - 1st line treatment
Beta-blocker + Calcium channel blocker
Medications which may exacerbate heart failure
Thiazolidinediones (pioglitazone)
Verapamil
NSAIDs
Glucocorticoids
Class I antiarrhythmics (fleicanide)
Severe hypertension requiring same-day specialist assessment/admission.
BP >=180/120 and any of:
- Retinal haemorrhage /papilloedema
- New confusion
- Chest pain
- Signs of heart failure
- AKI
Most appropriate first-line anti-anginal for stable angina in a patient with heart failure.
Bisoprolol (beta-blocker)
If calcium channel blocker is used as monotherapy in stable angina - which one should be used?
Rate-limiting CCB (verapamil, diltiazem)
If calcium channel blocker is used in combo with beta-blocker in stable angina - which one should be used?
Long-acting dihydropyridine CCB (modified-release nifedipine).
Verapamil should never be prescribed with
Beta-blockers (risk of complete heart block)
Stage 1 HTN - clinic reading
> =140/90 mmHg
Stage 1 hypertension - criteria (ABPM/HBPM)
Average >= 135/85 mmHg
Stage 2 hypertension - criteria (clinic reading)
> =160/100 mmHg
Stage 2 hypertension - criteria (ABPM/HBPM)
Average >= 150/95 mmHg
Severe hypertension - criteria
Systolic BP >= 180 mmHg
or
Diastolic BP >= 120 mmHg
Clopidogrel effectiveness may be reduced by concurrent use of:
Omeprazole/esomeprazole
lansoprazole ok
At what eGFR should thiazide diuretics be avoided in CKD?
eGFR <30 ml/min (CKD stage 4)
Hypertension - 1st line management <55 years old and not AFC
ACEi/ARB
Hypertension - 1st line management any age, with T2DM, not AFC
ACEi/ARB
Hypertension - 1st line management >55 years old not T2DM
Calcium channel blocker (amlodipine)
Hypertension - 1st line management any age, AFC, not T2DM
Calcium channel blocker (amlodipine)
Hypertension - 2nd line management - already taking ACEi/ARB
Add:
CCB (amlodipine)
or
TLD (indapamide)
Hypertension - 2nd line management - already taking CCB
Add:
ACEi or ARB (ARB if AFC)
or
TLD (indapamide)
Hypertension - 3rd line management, already taking ACEi + TLD
Add CCB
Hypertension - 3rd line management, already taking ACEi + CCB
Thiazide-like diuretic (Indapamide)
Myocardial infarction secondary prevention - all patients should be offered
- Dual antiplatelet therapy
- ACEi
- Beta-blocker
- Statin
Myocardial infarction secondary prevention - with signs of heart failure + reduced LVEF
Aldosterone antagonist (eplerenone)
Timing of initiation aldosterone antagonist post-MI
Within 3-14 days of MI
After ACEi initiated
Dual antiplatelet therapy following medically-managed ACS
Aspirin life-long
+
Ticagrelor for 12 months
Dual antiplatelet therapy following PCI
Aspirin life-long
+
Ticagrelor or prasugrel for 12 months
Anti-thrombotic therapy for bio-prosthetic heart valve
Aspirin
Anti-thrombotic therapy for mechanical prosthetic heart valve
Warfarin + aspirin
DVLA advice post ACS (successful angioplasty)
1 week off driving
DVLA advice post ACS
not successfully treated by angioplasty
4 weeks of driving
DVLA advice post elective angioplasty
1 week off driving
DVLA advice post CABG
4 weeks off driving
DVLA advice post pacemaker insertion
1 week off driving
1st-line agents for long-term rate-control in AF
standard beta-blocker
or
rate-limiting calcium channel blocker (diltiazem)
Indication to use digoxin as rate-limiting agent in AF
Sedentary
Beta-blocker/CCB not appropriate
Co-existent heart failure
Caution/CI for ACEi
Pregnancy/breastfeeding Renovascular disease Aortic stenosis Hereditory angioedema Potassium >= 5.0
Amiodarone - baseline tests prior to starting
TFT, LFT, U&E, CXR
Amiodarone - monitoring
TFT, LFT 6-monthly
Drugs which cause QT prolongation
Amiodarone Sotalol TCAs SSRIs (especially citalopram) Chloroquine Erythromycin Haloperidol Ondansetron
Target clinic BP if patient <80y
140/90 mmHg
Target clinic BP if patient >=80y
150/90 mmHg
Target ABPM/HBPM if patient <80y
135/85 mmHg
Target ABPM/HBPM if patient >=80y
145/85 mmHg
Target clinic BP: Type 1 diabetes without albuminuria/metabolic syndrome
135/85 mmHg
Target clinic BP: Type 1 diabetes with albuminuria or metabolic syndrome
130/80 mmHg
Target BP in CKD with Diabetes
<130/80 mmHg
Target BP in CKD (not diabetic, ACR <70)
<140/90 mmHg
Target BP in CKD (not diabetic, but ACR >70)
<130/80 mmHg
Target clinic BP in T2DM (no CKD)
Same as gen pop:
Under 80y <140/90
Over 80y <150/90
Target INR for aortic mechanical valve
3.0
Target INR for mitral mechanical valve
3.5
Statin for primary prevention
atorvastatin 20mg
Statin for secondary prevention
atorvastatin 80mg
Blood test monitoring for statins
LFTs at baseline, 3 months + 12 months
Who should receive a statin for primary prevention
- 10-year CV risk >=10%
- T1DM diagnosed >10y / aged >40 / nephropathy
- CKD
- Familial hypercholesterolaemia
Investigation for suspected IHD (non-acute) - 1st line
CT coronary angiography
Investigation for suspected IHD (non-acute) - 2nd line
Non-invasive functional imaging
MR perfusion scan, stress echo
Investigation for suspected IHD (non-acute) - 3rd line
Invasive coronary angiography
DVLA post ICD insertion for HOCM (no history of arrhythmia)
4 weeks off driving
Amlodipine maximum dose
10mg per day
A side effect of which cardiac medication is ulceration?
Nicorandil (vasodilator used in angina)
Statins in pregnancy
Contraindicated in pregnancy and pre-conception (congenital anomaly)
Offer statin (without risk assessment) to T1DM if:
> 40y
Diagnosed >10y ago
Nephropathy
CVD risk factors
Offer statin (without risk assessment) to
Certain T1DM pt
CKD
FH
Consider offering statin (without risk assessment) to
> =85y
All T1DM
<85y QRISK >10% + no T2DM
Lifestyle modification first (if appropriate)
Offer statin
<85y QRISK >10% + T2DM
Offer statin
Statin for primary prevention - followup
Repeat TC, HDL, non-HDL in 3m
Looking for 40% reduction in non-HDL
If suspect chronic heart failure
NT-pro-BNP
ECG
Tests for other causes/aggravators
Suspected CHF and NT-pro-BNP >2000
2 week referral for ECHO + cardiologist
Suspected CHF and NT-pro-BNP 400-2000
6-week referral for ECHO + cardiologist