Cardiology Flashcards
suffix for ACEi, ARB and Calcium channel blockers
ACEi: pril
ARB: sartan
Ca channel blockers: pine
threshold for clinic and ABPM
clinic 140/90
ABPM 135/85
threshold for stage 1 and 2 HTN
stage 1: above 135/85
stage 2: above 150/95
blood pressure 180/120 or above
assess target organ damage
if +ve then ADMIT
flowchart for HTN with T2DM or under 55
ACEi or ARB (ACEi 1st in DM)
+ CCB or thiazide-like
+ CCB + thiazide-like
flowchart for HTN without T2DM age 55 over or black
CCB
+ ACEi or ARB or thiazide-like
+ ACEi or ARB + thiazide-like
give an example of a thiazide like diuretic
indapamide
stage 4 of flowchart
potassium above/below 4.5
potassium below 4.5 = spironolactone
potassium above 4.5 = alpha blocker or beta blocker
which CCB is licensed in heart failure
amlodipine
QRISK above 10%
statin
MOA of statins
inhibit HMG-CoA reductase
when should you take statins
in the evening
monitoring for statin
LFT @ baseline, 3m and 12m
interaction between statin and ‘-mycin’ ABx
rhabdomyolysis
which drug causes the following side effects:
high calcium, low sodium, low urea
increases risk of gout and ED
reduces glucose tolerance
thiazides
which drug causes the following side effects:
cough, increased K, angioedema
ACEi
which condition contraindicates the use of ACEi
hypertrophic obstructive cardiomyopathy
what can ACEi and ARB cause if unknown renal impairment
bilateral renal artery stenosis
which drug causes the following side effects:
reduced hypoglycaemic awareness, ED and insomnia
beta blockers
which drug causes the following side effects:
ototoxicity, reduced Ca and K
loop diuretics
which drug causes the following side effects:
GI ulcers
Nicorandil
which drug causes the following side effects:
visual disturbance and green luminescence
ivabradie
which drug causes the following side effects:
thrombophlebitis and grey skin
amiodarone
where the the likely place inhaled foreign bodies are found
RIGHT bronchus
inferior lobe
heavy central chest pain radiating to the neck/arm causing nausea and sweating with CVD RF
cardiac pain
- might not be present if elderly/diabetic
right coronary infarct can lead to what
AV block
WHAT ARE THE ECG CHANGES
Anteroseptal: V1-V4: LAD
Inferior: II, III, aVF: Right coronary
Anterolateral: V4-6, I, aVL: LAD/ left circumflex
Lateral: I, aVL +/- V5-6: Left circumflex
Posterior: V1-V3, tall R and T waves, ST depression: Left circumflex/ right coronary
how do you confirm a posterior MI
ST elevation and Q waves in leads V7-V9
new LBBB
ALWAYS PATHOLOGICAL
urgent PCI
biochemical marker for NSTEMI
raised troponin
how can you check for reinfarction
check creatinine kinase - elevated for 3-4 days compared to troponin which remains elevated for 10 days
imaging for stable chest pain with suspected coronary artery disease
contrast CT coronary angiogram
what does CABG stand for
coronary artery bypass graft
stenosis in LAD causing no pain, normal cardiac enzymes, no ST elevation but deep T wave inversion
WELLEN’S SYNDROME
what medication is needed for secondary prevention
2 antiplatelets: aspirin and clopidogrel/ticagrelor
ACEi
BB
Statin
when would you stop the second antiplatelet post MI
after 12m
broad complex tachycardia post MI
VF - arrest
reduced ejection fraction post MI
cardiogenic shock
poor prognosis
pain in first 48 hours post MI
pericarditis
fever, pleuritic pain, pericardial effusion, increased ESR 2-6w post MI
Dresslers
pathophysiology and treatment of dresslers
autoimmune reaction to new pericardium
NSAIDs
ST elevation and LV failure causing thrombus post MI
LV aneurysm
pathophysiology and treatment of LV aneurysm
ischaemic weakens myocardium
anticoagulation
increased JVP, pulsus paradoxus and reduced heart sounds 1-2w post MI
LV free wall rupture
pathophysiology and treatment of LV free wall rupture
acute heart failure secondary to tamponadee
pericardiocentesis/thoractomy
heart failure and pansystolic murmur 1w post MI
ventricular septal defect
infero-posterior MI / papillary muscle rupture presenting with hypotension and pulmonary oedema post MI
acute mitral regurgitation
sudden SOB and chest pain associated with PMHx of marfans or asthma
pneumothorax
name one reversible cause of PEA
tension pneumothorax
pain worse on moving/coughing
MSK pain
sharp pleuritic pain relieved by sitting forward associated with a pericardial rub, high RR and HR
may have Hx of coksackie virus, TB, dresslers or SLE
pericarditis
investigations in pericarditis
ECG: saddle shaped ST elevation and PR depression
ECHO
management of viral/idiopathic pericarditis
NSAID/colchine
what is kussmals sign
Increased JVP on inspiration if constrictive pericarditis
DVLA rules for cardiac conditions (1w, 4w, indefinately)
stop for 1w: angioplasty, pacemaker
stop for 4w: CABG, ACS
stop indefinitely: AAA above 6.5cm
tearing pain radiating to the back with an unequal/weak/absent blood pressure
aortic dissection
investigations for aortic dissection
CT TAP
CXR: wide mediastinum
ECG: proximal changes
2 classification systems for aortic dissection
Stanford:
A (ascending, anterior pain and conservative management)
B (descending, posterior pain and surgical management)
DeBakey: I, II, III
medication for control of blood pressure before surgery for aortic dissection
labetalol
sudden SOB and chest pain with calf swelling associated with COCP or malignancy
pulmonary embolism
Investigations for PE
CTPA or V/Q scan if pregnant/renal impairment
CXR is normal
ABG in PE
respiratory acidosis
management for PE
1st: DOAC (rivaroxiban/apixiban)
2nd: LMWH/Warfarin
haemodynamically unstable = thrombolysis with alteplase
MOA of alteplase
plasmin –> plasminogen
how long must CPR continue for if you use a thrombolytic agent in ALS
60-90mins
medical management of angina
ALL pts: aspirin, statin, GTN
1st: BB or CCB
- CCB monotherapy (verapamil/diltazem)
- CCB & BB (amlodipine/nifedipine)
2nd: ivobradine, nicorandil
dosing of GTN
asymmetric dosing
BB and verapamil interaction
complete heart block
ST elevation and pulmonary oedema after the flu
myocarditis
acute presentation of AF with haemodynamic instability
cardiovert
when can you anticoagulate AF immediately
if sx less than 48hrs
2 medications to medically cardiovert AF
amiodarone/flecanide
what do you line electrical cardioversion to
R wave
3 lines of medication for rate control in AF
1st: BB
2nd: CCB (verapamil)
3rd Digoxin
2 medications for rhythm control in AF
BB, Amiodarone
when would you perform catheter ablation in AF
if no response to medication
anticoagulate for 4 w prior
2 scoring systems to determine the risk v benefit of anticoagulation in AF
CHADSV and ORBIT scoring systems
suffix for DOACs
‘-ban’
what is the CHADVSC score
Congestive heart failure (1)
Hyeprtension (1)
Age above 75 (2) above 65 (1)
Diabetes (1)
Stroke (2)
female Sex (1)
Vascular disease (1)
0 = nothing 1 = treat if male 2 = treat if female
what is the ORBIT score
Hb below 130/120
Age above 74
PMHx stroke/GI bleed
eGFR under 60
Antiplatelet treatment
low (0-2) med (3) high (4-7)
what did the ORBIT score replace
hasbled
anticoagulation in AF + stroke
start anticoagulation after 2w
what component would require immediate anticoagulation
valvular disease (perform ECHO)
where does the long saphenous vein pass
what is it used for
anterior to the medial malleolus
venous cutdown
MOA of fondaparinux
activates antithrombin III
ejection systolic murmur radiating to the carotids with a loud S2
AORTIC STENOSIS
when do you replace valves
if patient is symptomatic or serious dysfunction
what medication is contraindicated in aortic stenosis
nitrates
ejection systolic murmur with no radiation
aortic sclerosis
early diastolic murmur with a collapsing pulse and increased pulse pressure
aortic regurgitation
what is corrigans/quincke’s sign
capillary pulsations when the nailbed is pressed
found in aortic regurgitation
investigation for murmurs
ECHO
mid to late diastolic murmur with loud S1 and opening snap
mitral stenosis
most common cause of mitral stenosis
rheumatic fever
why do patients with mitral stenosis often present with SOB, haemoptysis and a malar flush
increased pulmonary pressure
condition associated with mitral stenosis
AF
pansystolic murmur radiating from the apex to the axilla with a quiet S1 / split S2
mitral regurgitation
presentation and management of acute mitral regurgitation
flash pulmonary oedema (e.g. post MI)
nitrates, diuretics and inotropes to increase CO
Female and high BMI associated with which murmur
mitral regurgitation
pansystolic murmur from the left sternal edge radiating to the 4th IC space
tricuspid regurgitation
most common cause of tricuspid regurgitation
IVDU
ejection systolic murmur on inspiration (2)
pulmonary stenosis
atrial septal defect
loud S2
pulmonary HTN
most common organism in infective endocarditis
staph aureus (gram positive)
staph epidermidis if post valve surgery
murmur in infective endocarditis
aortic regurg (tricuspid if IVDU)
what are the modified duke criteria for infective endocarditis
pathological: +ve histology/microbiology
major: +ve cultures/serology
minor: IVDU, fever above 38, signs
1 path / 2 major / 1 major 3 minor / 5 minor
prophylaxis for infective endocarditis
none
immune reaction to strep pyrogen causing erythema marginatum, syndenham’s chorea, carditis or valvulitis
rheumatic fever
ECG in rheumatic fever
increased PR interval
management of rheumatic fever
oral Pen V and NSAIDs
3 causes of a third heart sound
normal under 30y
left sided heart failure
dilated cardiomyopathy
murmur in coarctation of the aorta
mid-systolic with an apical click
4 associations with coarctation of the aorta
male
turners (radio-femoral delay)
neurofibromatosis
berry aneurysm
notching of the inferior border of the rib and bicuspid aortic valve in what condition
coarctation of the aorta
presentation of coarctation of the aorta in children and adults
children: heart failure
adults: HTN/syncrope
murmur in ventricular septal defect
pansystolic
presentation and management of VSD
FTT and heart failure in child with a chromosomal disorder
monitor and repair
murmur in atrial septal defect
pansystolic on inspiration
pedunculated mass on ECHO
atrial myxoma
what condition can cause a mitral valve prolapse
polycystic kidney disease
untreated PDA can lead to what
congestive heart failure
levine scale for murmurs
- very faint
- sligjt
- moderate, no thrill
- loud, palpable thrill
- very loud thrill, stethoscope edge
- extremely loud, no stethoscope needed
SOB, cough , orthopnoea, PND, wheeze, weight loss and bibasal crackles
L sided heart failure
increased JVP, ankle oedema, haepatomegaly and weight loss
R sided heart failure
marker for heart failure
NT pro BNP
what condition is BNP also raised in
CKD
3 lines of management for heart failure
1st: ACEi (or ARB) + BB
2nd: Aldosterone antagonist (spironolactone)
3rd: Ivabradine/valsartan/digoxin/hydralazine
vaccination in heart failure
annual flu
once pneumococcal
when do you stop the BB in acute heart failure
HR below 50
3rd degree heart block or shock
NYHA heart failure classification
1: no limitation of physical activity
2: normal at rest but normal activity –> SOB
3: normal at rest but less than ordinary activity –> SOB
4: sx at rest
explain the 4 types of heart block
1st degree: PR interval more than 2 seconds
2nd degree:
- mobitz I (wenkebach): progressive prolongation until dropped beat
- mobitz II: regular PR intervals but random missing QRS
3rd degree: no association between P and QRS
which heart block needs a pacemaker
mobitz 2
what is beck’s triad for cardiac tamponade
low blood pressure
raised JVP
muffled heart sounds
ECG in cardiac tamponade
electrical alterans
treatment of cardiac tamponade in neoplastic disease
balloon pericardiotomy
management of haemodynamically unstable and tachycardia
cardiovert
management of irregular broad complex tachycardia (name)
polymorphic ventricular tachycardia (torsades de pointes)
MAGNESIUM 2mg
macrolides, hypothermia and subarachnoid are causes of what
torsades de pointes
management of regular broad complex tachycardia
VT: amiodarone
previous SVT: treat as regular narrow complex
management of regular narrow complex tachycardia
- vagal manoeuvres
- adenosine (6 - 12 - 18mg)
- verapamil/BB
management of irregular narrow complex tachycardia
probable AF
control rate with BB and anticoagulate if less than 48hrs
end stage management of tachycardia if everything ineffective
synchronised DC shock
sedation/anaesthesia if conscious
management of bradycardia
Atropine 500mg IV
(repeat to 3mg, then isoprenaline/adrenaline)
witnessed arrest on monitor
3 shocks then CPR
medication for acute pulmonary oedema
IV furosemide
shocks in hypothermia
3 shocks then wait until pt warmed to 30 degrees
ECG in hypothermia
QT prolongation and J waves
when would you try transcutaneous/transvenous pacing in bradycardia
if risk of asystole (heart block, ventricular pause, recent asystole)
exertional SOB, angina, syncope and arrhythmias with ejection systolic/pansystolic murmur, S4, double apex, A waves and jerky pulse
hypertrophic obstructive cardiomyopathy
inheritance of hypertrophic obstructive cardiomyopathy
autosomal diminant
ECG: LV hypertrophy, T wave inversion, deep Q waves, AF, WPW
hypertrophic obstructive cardiomyopathy
which valve is affected in hypertrophic obstructive cardiomyopathy
mitral
treatment of WPW
accessory pathway ablation
demographic of dilated cardiomyopathy
alcoholics
difference between the ECHO in hypertrophic obstructive cardiomyopathy compared to dilated cardiomyopathy
dilated has no regional wall abnormalities unlike hypertrophic obstructive
absent radial pulse in a young asian female
takyasu’s
investigation and management of takyasus
MRA/CTA
steroids
non-ischaemic ST elevations triggered by stress presenting with chest pain, heart failure, SOB, dizziness and syncope
Takotsubu
management of Takotsubu
supportive
intermittent claudication, ischaemic ulcers, raynauds and thrombophlebitis in a young male smoker
Buerger’s
thromboangitis obliterans
3 criteria for autonomic neuropathy
postural hypotension
loss of respiratory arrhythmia
erectile dysfunction
dizziness and vertigo on arm extension due to stenosis
subclavian steal syndrome
investigation for subclavian steal
USS/angiography
investigation for syncrope
24 hour ECG then tilt table test
diagnostic criteria for orthostatic hypotension
drop in 20 systolic and 10 diastolic in 3 minutes
medical management of orthostatic hypotension
FLUDROCORTISONE
warfarin and surgery
elective: stop 5 days prior
emergency: prothrombin concentrate
warfarin bleeding
- major
- minor INR above 8
- none INR above 8
- minor INR 5-8
- minor INR 5-8
- major: stop, IV K 5mg, prothrombin concentrate, FFP
- minor INR above 8: IV K 1-3mg, restart when INR below 5
- none INR above 8: oral K 1-5mg, restart when INR below 5
- minor INR 5-8: IV K 1-3mg, restart INR below 5
- minor INR 5-8: withhold 2 doses and reduce subsequent
prothrombin time and APTT in warfarin treatment
increased prothrombin time
normal APTT
can you use warfarin whilst breastfeeding
yes
2 drugs which interact with warfarin
phenobarbital and fluconazole
foods to avoid whilst on warfarin
kale, spinach, broccoli (high in vitamin K)
side effect of warfarin
skin necrosis
reversal agent for dabigatran
idarucizumab
reversal agent for apixiban and rivoroxaban
andexanet alpha
reversal agent for heparin
protamine
reversal agent for warfarin
phyromenadione (vitamin K)
ECG: global T wave inversion
head injury
ECG: short PR and delta wave
WPW
ECG: large R waves, deep S wave, ST elevation, T wave inversion
LV hypertrophy
ECG: sinus tachy, RBBB, T wave inversion, ST depression, leads V1 V2
PE
ECG: ST depression, inverted T, short QT
digoxin toxicity
eisenmengers
reversal of L to R shunt
CAUSES OF PROLONGED QT
congenital
drugs: Amiodarone, Sotalol, Tricyclic, SSRI, methodone, chloroquine, eryth/azithromycin, haloperidol, ondansetrol
Other: low Ca, K and Mg
2 shockable rhythms
VF
Pulseless VTP
2 non-shockable rhythms
PEA
Asystol
2 non-shockable rhythms
PEA
Asystole
when do you give adrenaline and amiodarone in an arrest
SHOCKABLE RYTHM
adrenaline 1mg every 3-5 min
amiodarone 300mg after 3 shocks and 150mg after 5 shocks
NON-SHOCKABLE
adrenaline immediately
no amiodarone
what medication can you give in an arrest if amiodarone is unavailable
lidocaine
reversible causes of an arrest
Hypoxia
Hypovolemia
Hypo/hyperkalaemia
Hypo/hyperthermia
Toxins
Tamponade (cardiac)
Tension pneumothorax
Thrombosis (coronary or pumonary)
which artery is used for primary PCI
radial
management of a STEMI
Aspirin 300mg
PCI if possible within 120 mins and presented within 12 hours
otherwise Fibrinolysis - if ST elevation after 60-90 mins then still PCI
management of NSTEMI
Aspirin 300mg and fondaparinux if no immediate PCI planned
Calculate GRACE score
- below 3% give ticagrelor or fondaparinux and aspirin
- above 3% PCI within 72 hours
what medication should be given before PCI
prasugrel or ticagrelor
Explain the Well’s score
clinical signs and symptoms - 3
alternative diagnosis less likely - 3
HR above 100 - 1.5
immobilisation for 3 days or surgery in past 4w - 1.5
PMHx DVT/PE - 1.5
Haemoptysis - 1
Malignancy - 1
above 4 - PE likely
management of a PE if the Well’s score is above 4
Immediate CTPA with possible interim anticoagulation
CTPA +ve is diagnostic of PE
CTPA -ve then consider proximal leg USS
management of a PE if the Well’s score is equal or below 4
D-Dimer with interim anticoagulation if results take more than 4hrs
D-Dimer +ve then immediate CTPA (+ possible USS if -ve)
D-Dimer -ve then consider alternative dx and stop anticoagulation