Cardio Flashcards
Name Pharyngeal( arches, aortic arch, pouches )?
1/2/3/4/5/6 = 5/7/9/10(s.l)/-/10(r.l) nerve= maxillary/ stapedieal(regresses)/ common carotid + prox. internal carotid/ aortic arch + subclavian/ -/ PA + DA arteries = ear/mouth/thymus + inf pth/ ultimobranchial + sup pth/-/- pouch
Diastolic heart failure change on P.V graph of LV? What initiates Sequence? HTN->LV hypertrophy->LV pressure _ + _ in SV but preserved EF ->pulmonary edema-RHF only change is elevated LV filling pressures!! to maintain normal end diastolic volume.
Diastolic heart failure change on P.V graph of LV? What initiates Sequence? HTN->LV hypertrophy->LV pressure inc + dec in SV but preserved EF ->pulmonary edema-RHFonly change is elevated LV filling pressures!! to maintain normal end diastolic volume.
Systolic HF what causes decomepensation? Chronic _overload->eccentric hypertrophy-> in volume but dec EF
Systolic HF what causes decomepensation? Chronic volume overload->eccentric hypertrophy-> in volume but dec EF
Hypertrophic/dilated heart looks like?
Hypertrophic/dilated heart looks like?
- Pulses paradoix? How calculate? Indicates what type of disease(3)?
korotkoff sounds pressure diff when put on cuff= pulses paradoxus(>10mg drop in SBP) because when inspire-> inc RV volume-> heart unable to expand well so interventricular septum bows toward LV->dec LV SV->systolic pressure dec) in disesase that constrict hearts ability to expand ( asthama, COPD because decrease space for heart to expand) !
Pulmonary edema and lung compliance? Pulmonary edema => _ surface tension( diluted surfactant) - + restrictive edema->_ lung compliance; Pulm edema presents as _ lung disease
Pulmonary edema and lung compliance? Pulmonary edema => inc surface tension( diluted surfactant) - + restrictive edema->decrease lung compliance; Pulm edema presents as restrictive lung disease
LF/RH= _/ _edema
LF/RH= pulm/ systemic edema
Antiarthymic class 1A/B/C AP looks? _. —–adenosine acts via _channels and _
Antiarthymic class 1A/B/C AP looks? like prolonged on phase 0( Na) + prolonged/ shortened/ no change on K so prolong/shorten/no change action potential form. —–adenosine acts via k channels and Ca
TTN gene for what protein in what disease? Genetics?
TTN gene for what protein in what disease? Genetics? for titin protein dorm mutation Familial dilated cardiomyopathy
Amlodipine side effect? amlodipine/amiodarone = CCB/ antiarth
Amlodipine side effect? Effects of vasodilation—Flushing, edema, dizziness; amlodipine/amiodarone = CCB/ antiarth
When deos most LV perfusion occur? So what is limiting factor( what affects it the most) for perfusion during times with hi HR( excercis)?
When deos most LV perfusion occur? So what is limiting factor( what affects it the most) for perfusion during times with hi HR( excercis); Diastole. because LV pressures inverly related perfusion. Length of diastole
PAN? Spare? PAN( segmental, transmural,( like chrons) of arteries) spares lung artereis present with GI pain, ( also cardiac & kidney & skin purpura/livedo reticularis)
PAN? Spare? PAN( segmental, transmural,( like chrons) of arteries) spares lung artereis present with GI pain, ( also cardiac & kidney & skin purpura/livedo reticularis)
neprilysin breakdown _ & _ can treat _
neprilysin breakdown ANP & BNP can treat HF
glucagon( via GS) treats _ toxicity
glucagon( via GS) treats BB toxicity
Elastin how like rubber(2)? Elastin rbber-like due to lysly _ cross-linking(after _ acts as scaffold) and many hydrophobic aa.
Elastin how like rubber(2)? Elastin rbber-like due to lysly oxidase cross-linking(after fibrilin acts as scaffold) and many hydrophobic aa.
Most people are what heart dominance? Determined by?
Most people are what heart dominance? Determined by? Right. Who supplies AV node supplied by R or left PDA form RCA or LCircumflex(from LCA) …( determines right or left dominance). SA node via RCA!
What does it mean to have decompensated HF? Decompensation occurs after what maladaptive compensations? Cause what murmur? murmur treated via?
What does it mean to have decompensated HF? Decompensation occurs after what maladaptive compensations? Cause what murmur? HF decompensation( symptomatic SOB and/or peripheral edema if L and /or RHF) -> secondary MR( diuretics and vasodilators treat this but for chorda tendinae ruptor need surgery). Chronic maladaptive compensatory mechanisms-in RAAS & sympathetic.
Nitropruside affect both a& v why?
Nitropruside affect both a& v why? Nitroglycerin, isosorbide mono/dinitrate -> NO & S-nitrosothiols via mitcho in sm so veins effects but nitropruisde metabol in bld so balanced( v & a)
What vessel has least amount of o2 in body and why?
What vessel has least amount of o2 in body and why? Heart(more than any other organ) extracts most oxygen-> coronary sinus with least O2 concentration
Class 3 vrs Class 1 antiarrythmic?
Class 3 vrs Class 1 antiarrythmic? Class 3 block K but some class 1 block K as well inaddition to Na
Atrial & ventricular action potential ions ?
Atrial & ventricular action potential ions ? for both na, Ca, K
septic shock hallmark? What must temperature be? hypovolumic shock has to do with effects of low _?
septic shock hallmark? What must temperature be? dec SVR can be either hyper or hypothermia even though septic…hypovolumic shock has to do with effects of low preload
Frank-Starling graph determined by 5 parameters looks like? How would nitroprusside look like?
Frank-Starling graph: Graph on Frank stling curve( P vrs Vol of LV) Afterload, preload, contractility, compliance SV.
hypovolumeia symptoms( _ mucous membranes, _statis _tension so _) compensatory methods include _ urine sodium & _ Bun/creatinine Difference with ATN is prerenal azotemia
hypovolumeia symptoms( dry mucous membranes, osthostatis dizz/hypotension) compensatory methods include low urine sodium & elevated Bun/creatinine
Bosetan/eternercept? = is _ receptor antagonist (treat _)/ bind _ to inhib( treat _)
Bosetan/eternercept? = is endothelin receptor antagonist (treat PAH)/ bind TNF to inhib( treat inflam)
Digoxin toxicity is _ beats
Digoxin toxicity is premature beats
Coactation (seen in ? ) vrs PDA ? ………….Marfan associated with what heart defect( +) fratix is _ cardiamyopathty
PDA ? Turners, bicupid aortic valve. is bp vrs SpO2 differences in upper and lower extremities………….Marfan associated with what heart defect( MVP) fratix is hypertrophic cardia?
What cause HF to decompensate?
What cause HF to decompensate? RAAS pathway cause decompensated HF so that is why they are disease modifying meds.
skeletal/ smooth & cardiac susceptibility to CAB?
skeletal/ smooth & cardiac susceptibility to CAB? not/dependent on extracellular caclium due to presence/absence of L-type Ca channel coupling with RYR receptors of SR..so skeletal muscle is resistant to calcium channel blockers.
ECF leads infarct? 3 leads( ant, inf, lat); (Inf)2, 3, AVF = RCA, LAD->(ant V1-4 : 1-2 are spetal if dista,l (3-4) only), Circumflex -> lat(I, AVL + V5-6) , LMC->( LAD + circunflex)
ECF leads infarct? 3 leads( ant, inf, lat); (Inf)2, 3, AVF = RCA, LAD->(ant V1-4 : 1-2 are spetal if dista,l (3-4) only), Circumflex -> lat(I, AVL + V5-6) , LMC->( LAD + circunflex)
CO calculate
CO = rate of oxygen consumption/ diff in arterial or venous gradient
ASD/PFO defect?
ASD/PFO= dysplasia/ incomplete fusion of atrial septa-f for fusion
Benefit of nitroprusside’s balanced vasodilation? maintaines _ & _
Benefit of nitroprusside’s balanced vasodilation? balanced vasodilation( due to No release in bld rather than venous sm) -> both A & V dilate->maintain CO & SV @ lover LV pressure( does less work for same
How does flow and resistance relate to vessel radius?
How does flow and resistance relate to vessel radius? R/flow is inversely/directly proportional to vessel radius to the 4th power
When doing a CV catheter to prevent infection?
When doing a CV catheter to prevent infection? Most are g-postive cocci so use barrier precaution( hand hygiene, cover up, antiseptic-alcohol not antibiotic!), avoid femoral insertion
acute pericarditis most common cause? Presents? On ECG?
acute pericarditis most common cause? Presents? On ECG? most common cause is viral infection of myocardium(inflamed->elevated ST seg); pleuritic chest pain that improves with leaning forward,
Example of a drug that causes inc in systolic + Diastolic BP yet dec in HR?
Example of a drug that causes inc in systolic + Diastolic BP yet dec in HR? a1-adrenergic agonists increase bp -> reflexive vagal tone->bradycardia….sympathomemics
Hybernation myocardium due to? _ LV function(may present as _kinesis) to prevent myonecrosis due to _ischemia but _ gets rid of dysfunction.
Hybernation myocardium due to? dec LV function(may present as hypokinesis) to prevent myo necrosis due to chronic ischemia but revasculization gets rid of dysfunction.
Biventricle pacemaker leads placed in RA/ RV/ LV @? Pacemaker may cause what valve problem?
biventricle pacemaker leads placed in RA/ RV/ LV @? Pacemaker may cause what valve problem? SA/ septum/ coronary sinus ; tricuspid regurg
TIA treat ? Side effect? .
with low(cox-1) dose asprin + bp control and statins; GI bleed
septal defects & tetralogy of fallot vrs PDA = _/lower _ cynosis
septal defects & tetralogy of fallot vrs PDA = whole/lower body cynosis
aortic dissection mainly due to? _ ->intimal tear ( _ is more for aneurysm formation) Mockeberg sclerosis is isolated _hypertension
aortic dissection mainly due to? hypertension ->intimal tear( atherosclerosis is more for aneurysm).. Mockeberg sclerosis is isolated systolic hypertension
243 BP tracing graft norm? Systolic murmurs? _ and _ for _ are systolic MI ( MS- mid diastolic rumble with opening snap AS -(intensity(?) proportional to _ between aorta and lV pressures, worse with inc LV bld volume) TI PS H( what makes better? _ V
243 BP tracing graft norm? Systolic murmurs? _ and _ for _ are systolic MI ( MS- mid diastolic rumble with opening snap AS -(hi Lv pressures( dec SV) ntensity(?) proportional to _ between aorta and lV pressures) TI PS H( what makes better? inc vol V
Medications that cause hyperkalemia? are those that block_, nsaid(via _), glycosides(via _) Beta-blocker via _
Medications that cause hyperkalemia? If block aldosterone or Na intake, nsaid(via PGE-> dec RAAS), glycosides(via blocking na/k pump). Beta-blocker..via JG cell
1836 Isoproterenol causes? Name sympatomemics? Eisenmenger syndrome can happen with all _ to _ shunts.
1836 Isoproterenol causes? Name sympatomemics? B1&2 agonist so inc contractility and dec SVR Eisenmenger syndrome can happen with all left to right shunts.
constrictive pericarditis signs(3) ?_ in pericardial space-> _sign(paradoxical rise in _) & pericardial knock( early diastolic sound before S3?), pulsus paradox left parasternal lift suggest _ hypertrophy S3/ s4 suggest _/_ ventricle.
constrictive pericarditis signs(3) ? tissue in pericardial space-> kussmaul sign(paradoxical rise in JVP) & pericardial knock( early diastolic sound before S3?) , pulsus paradoxix…..left parasternal lift suggest RV hypertrophy and S3/ s4 = dilated/ hypertrophic ventricle.
Lipid lowering drugs? Best one? Mech and side effect?
Lipid lowering drugs? Best one? Mech and side effect? Statins(reductase) & Ezemtimibe & bile acid sequestranst/ fibrates(via PPAR-> hi LPL activity & dec VLDL produce) & Exercise & Omega3( dec apoB & VLDL produce)/ Niacin = LDL/ TG/ HDL = Statins side effect? muscle & liver toxicity; best one Niacin side effect? cutaneous flushing due to PG so inhib via asprin .
Granulation tissue vrs scar? MI resolution? granulation after _ scar in a _
Granulation tissue vrs scar? MI resolution? 1 day/ 1 week/ 1 mth = coagu necor/ neuto macro/ granulation->scar so granulation after 1 wk, scar in a month.
Migratory(comes and goes) thrombophlebitis/troussearu syndrome indicates?
Migratory(comes and goes) thrombophlebitis/troussearu syndrome indicates? -> paraneoplastic visceral (pancrease, colon, lung) cancer
hypertrophy from hypertension is _.
hypertrophy from hypertension is reversible
Mortality benefits: drugs with effect on _pathway
Mortality benefits: drugs with effect on RAAS pathway
In systemic sclerosis(or creast) heart complication? What is heart on auscultation?
In systemic sclerosis(or creast) heart complication? What is heart on auscultation? PAH due to T-cell release of cytokines-> collagen->occlude vessels->dyspnea + loud Pulmonic S2 ……PAH can develope in systemic sclerosis due to collagen deposition -> damage in pulm arteries
Heriditary PAH gene? On auscultation? On ECG?
Heriditary PAH gene? On auscultation? Dorm Inactivating mut in BMPR2 gene in females cause smooth muscle proliferation->PAH->r.axis deviate of ECG, loud pulm S2
fat/thrombo emoblisim=_/_ within thrombus
fat/thrombo emoblisim= fat globules, hemorrhage!
mannitol is _ dirutic that can cause pulmonary _!
mannitol is osmotic dirutic that can cause pulmonary edema!
ACEI effect on K? on creatine?
ACE inhib electrolyte side effects? hyperkalemia + hi creatine( due to low GFR)
digoxin toxicity? (3)
digoxin toxicity? Arrthymias, confusion, hyperk
symp¶symp receptor locations
symp¶symp receptor locations
BB carvedililol side effect?
carvedililol side effect? Hypoglycemia
loop direutics side effect?
loop direutics side effect? ototoxicity(1 other antibiotic)
hyaline arteriolosclerosis( due to normal _/_) looks like in kidney? vrs Multiple myloma deposits in kidney? _
hyaline arteriolosclerosis( due to normal HTN/diabetes) looks like in kidney? ->eosinophilic(pink) hyaline that stains pink with PAS… vrs. Multiple myloma deposits in kidney? Tubular cast(BJ + TH proteins)
NSAID + acetaminophen kidney problems(2)? interstitial nephritis(via _) & ischemic papillary necrosis( via dec _)…. CKD itch due to _ toxins
NSAID + acetaminophen kidney problems? instertitial nephritis(via ozidative stress) & ischemic papillary necrosis( via dec PGE)…. CKD itch due to uremia toxins
Adenosine treats _ side effects?
Adenosine treats PSVT side effects are flushing, AV block, chest burning(broncospasm), hypotension