MTB and important from FA 2 Flashcards
cardiac sound S3 in normal in
children and pregnant
auscultation of the heart - Aortic area (what we hear)
systolic murmur (aortic stenosis, flow murmur eg. physiologic murmur, aortic valve sclerosis)
auscultation of the heart - left sternal border (what we hear)
- diastolic murmur: aortic regurgitation, pulmonic regurgitation
- systolic murmur hypertrophic cardiomyopathy
auscultation of the heart - Pulmonic area (what we hear)
systolic ejection murmur: pulmonic stenosis, flow murmur (eg physiologic murmur)
auscultation of the heart - mitral valve (what we hear)
- holosystolic murmur: mitral regurgitation
2. diastolic murmur: mitral stenosis
auscultation of the heart - tricuspid valve (what we hear)
- holosystolic murmur: tricuspid regurgitation, ventricular septal defect
- diastolic murmur: tricuspid stenosis, ASD
ASD auscultation
ASD commonly present with a pulmonary flow murmur (increased flow through pulmonary valve) and a diastolic rumble (increased flow across tricuspid). Blood flow across the actual ASD does not cause murmur (no significant P gradient). The murmur later progress to a louder diastolic murmur of pulmonic regurgitation from dilaton of the pulmonary arterey
auscultation of the heart - aortic regurgitation mumur
high-pitched early long diastolic decrescendo murmur.
auscultation of the heart - mitral stenosis mumur
follows opening snap. Delayed rumbling diastolic murmur
auscultation of the heart - aortic stenosis mumur
crescendo - decrescendo systolic ejection murmur
ejection click MAY be present
aortic stenosis pulse
pulsus parvus et tardus: weak with delayed peak
aortic stenosis is often related to
- age related calcification
- early onset calcification of bicuspid aortic valve
- rarely - Rheumatic heart disease (mitral valve is also involved)
MVP murmur
late systolic crescendo murmur with midsystolic click.
acute pericarditis - presentation
sharp chest pain, aggravated by inspiration and lying supine, relieved by sitting up and leaning forward
acute pericarditis - ECG
- ST-segmented
and/or - PR depression
cardiac tamponade - clinical examination
- Beck’s triad (hypotension, distended neck veins, distant heart sounds)
- increased HR
- pulsus paradoxus
most frequent primary cardiac tumor in children
Rhabdomyomas
kussmual sign - definition / may be seen in
- increasing in JVP on inspiration instead of normal decreasing
1. constrictive pericarditis
2. restrictive cardiomyopathy
3. right atrial or ventricular tumors
4. severe right ventricular failure
BNP blood test
- used for diagnosis of heart failure
2. very good negative predictive value
hypertrophic cardiomyopathy - clinical examination findings
- S4
- Systolic murmur (left sternal border) (loudest with valsava, standing up)
- maybe mitral regurgitation due to impaired mitral valve closure
- paradoxical splitting
hypertrophic cardiomyopathy - treatment
- cessation of high intensity athletics
- non-didydropyridines Ca2+ channel blockers
- β-blockers
- Implantable Cardioverter Defibrillator (ICD) if patient is high risk
hypertrophic cardiomyopathy - pulse
quick rise arterial pulse
restrictive/infiltrative cardiomyopathy - major causes
- sarcoidosis
- amyloidosis
- postradiation fibrosis
- endocardial fibroelastosis
- Loeffler syndrome
- hemochromatosis
- scleroderma
Loeffler syndrome
endomyocardial fibrosis with prominent eosinophilic infiltrate
endocardial fibroelastosis
thick fibroelastic tissue in endocardium of young children
restrictive cardiomyopathy - type of dysfunction
diastolic
hyperlipidemia signs
- xanthomas
- tendinous xanthoma
- corneal arcus
lipid-lowering agents groups
- HMG-CoA reductase inhibitors (statins)
- Bile acid resins
- Ezetimibe
- Fibrates
- Niacin
statins side effect
hepatotoxicity (increased LFTs)
myopathy (especially when used with fibrates or niacin)
bile acid resins drugs
cholestyramine
colestipol
colesevelam
bile acid resins mechanism of action
prevent intestinal reabsorption of bile acids SO the liver must use cholesterol to make more
bile acid resins side effects
- GI upset
2. decreased reabsorption of other drugs and fat-soluble vitamins
Ezetimibe mechanism of action
prevent cholesterol absorption at small intestine brush border
Ezetimibe side effects
- increased LFT (rare)
2. diarrhea
Fibrates drugs
-FIBRATES
clofibrate, bezafibrate, fefenofibrate
AND GEMFIBROZIL
fibrates mechanism of action
- upregulate LPL –> increased TG clearance
2. Activates PPAR-α to induce HDL synthesis
fibrates side effecrs
- myopathy (increased risk with statins)
2. cholesterol gallstones
niacin mechanism of action
- inhibits lypolyisis (hormone sensitive lipase) in addipose tissue
- reduces hepatic VLDL synthesis
3 agents able to stabilize the atherosclerotic plaques
- Beta blocker
- ACE inhibitor
- statins
increased of TG leves - agent
bile acid resins (SLIGHTLY)
LDL levels calculation
LDL ch = TOTAL ch - HDL - (TG/5) (no if tg more than 400)
niacin side effects
- hyperglycemia
- Hyperuricemia
- Red, flashed face, which is decreased by NSAID or long term use
MI: complications at 0-4hr
- arrhythmia
- HF
- cardiogenic shock
MI: complications at 4-24hr
- arrhythmia
- HF
- cardiogenic shock
MI: complications at 1-3 days
postinffraction fibrinous pericaridtis
MI: complications at 3-14 days
- Free wall rupture: a. tamponade
b. papillary muscle rupture (mitral regurgitation)
c. interventricular septal rupture ( leads to shunt) due to macrophage-mediated structural degradation - LV pseudoaneurysm (risk of rupture)
MI: complications at 2weeks to several months
- Dressler syndrome
- HF
- True ventricular aneurysm (RISK OF MURAL THROMBUS)
Diagnosis of MI - ECG localization of STEMI and vessel - ANTEROSEPTAL
LAD
V1-2
Diagnosis of MI - ECG localization of STEMI and vessel -
ANTEROAPICAL
DISTAL LAD
V3-4
Diagnosis of MI - ECG localization of STEMI and vessel -
ANTEROLATERAL
LAD or LCX
V5-6
Diagnosis of MI - ECG localization of STEMI and vessel -
LATERAL
LCX
I, aVL
Diagnosis of MI - ECG localization of STEMI and vessel -
INFERIOR
RCA
II, III, aVF
Myocardial infraction complication - Interventricular septal rupture, papillary muscle rupture, ventricular pseudoaneurysm, ventricular free wall rupture - time
Interventricular septal rupture –> 2-3 d
papillary muscle rupture –> 3-7 d
ventricular pseudoaneurysm –> 3-14 d
ventricular free wall rupture –> 5-14 d
Diagnosis of MI - ECG localization of STEMI and vessel -
posterior
PDA
V7-V9, ST depression in V1-V3 with tall R waves
causes of sabacute endocarditis
viridans streptococci (low virulence)
MCC of endocariditis in drug users
- S aureus
- Candida
- pseudomons
Olser nodes vs Janeway lesions
Osler: tender raised lesions on finger or toe pads
Janeway lesions: small painless erythematous lesions on palm or sole
culture negative infective endocarditis
- Coxiella burnetti
- Bartonella
- HACEK
- prior treatment with antibiotics
rheumatic fever - major criteria
- migratory polyarthritis
- carditis
- Nodules on skin (subcotaneous)
- Erythema marginatum
- Sydenham chorea
systemic inflammatory response syndrome
> =2:
- fever/hypothermia
- tachycardia
- tachypnea
- leukocytosis/leukopenia
Ischemic heart disease manifestations - types
- angina (stable, unstable, variant)
- Coronary steal syndrome
- MI
- sudden cardiac death
- Chronic ischemic heart disease
Sudden cardiac death: definition
death from cardiac causes within 1 hour of onset of symptoms most commonly sue to lethal arrhythmia (eg ventricular fibrillation)
antiarrhytmics Class IA drugs
- Quinidine
- Procainamide
- Disopyramide
antiarrhytmics Class IA - clinical use
Both atrial and ventricular arrhythmias
esp re-entrant (eg WPW), ectopic SVT (eg atrial fibrillation) and VT
antiarrhytmics Class IA - toxicity
- Cinchonism (headache, tinnitus, psychosis) - quinidine
- reversble SLE-like syndrome - procainamide
- heart failure - disopyramide
- thrombocytopenia
- torsades de pointes due to increased QT interval
antiarrhytmics Class IB -drugs
- Lidocaine
- Mexiletine
- phenytoin
antiarrhytmics Class IB - clinical use
- acute ventricular arrhythmias (esp post MI)
2. digitalis-induced arrhythmias
antiarrhytmics Class IB - toxicity
- CNS stimulation/depression
2. cardiovascular depression
antiarrhytmics Class IC - drugs
- Flecainide
2. Propafenone
antiarrhytmics Class IC - toxicity
proarrhythmic (esp in post-MI)
antiarrhytmics Class IC - contraindicated
- ischemic heart disease (post-MI)
2. stractural ischemic heart disease
antiarrhytmics Class IC - clinical use
- SVT (including atrial fibrillation)
2. Only last resort in refractory VT
treat β-blockers overdose
saline, atropine, glucagon
anthiarrhythmics class II - clinical use
SVT (ventricular rate control for atrial fibrillation and flutter)
anthiarrhythmics class II - toxicity
- impotence 2. exacerbation of COPD/athma
- cardiovascular effects (bradycardia, AV block, HF)
- CNS effects (sedation, sleep alterations) 5. may mas hypoglycemia signs 6. dyslipidemia (metoprolol)
- exacerbate vasospasm in prinzmetal (propranolol)
anthiarrhythmics class III - drugs
- Amiodarone
- Ibutilide
- Dofetilide
- Sotalol
anthiarrhythmics class III - clinical use
- atrial fibrillation
- atrial flutter
- ventricular tachycardia (amiodarone, soloatol)
solatol toxicity
- torsades de pointes
2. excessive β blockage
ibutilide toxicity
torsades de pointes
amiodarone toxicity
- pulmonary fibrosis 2. hypo/hyperthyroidism
- hepatotoxicity 4. act as hapten 5. neurological defects 6. comstipation 7. cardiovascular effects (bradycardia, heart block, HF)
antiarrhythmics IV - drugs
verapamil, diltiazem
other antiarrhythmics drugs
- adenosine
2. Mg2+
Mg2+ as antiarrhythmic
effective in torsades de pointes and digoxin toxicity
adenosine as antiarrhythmic - clinical use
drug of choice in diagnosing/abolishing SVT