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Cardiovascular
CV2
121
Medical
Graduate
01/17/2011

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Term
Procainamide
Definition
SE-->cause hypotension & agranulocytosis; fast metabolizers get Torsades; slow metabolizers get Lupus
Term
Lidocaine
Definition
Best drug for Acute MI & fast ventricular fibrillation; no effect on SA & AV node no affect on SVT
Term
SE of Lidocaine
Definition
1) Neurology-->slow speech, feel numb, 2) GI upset, & diarrhea
Term
Propafenone
Definition
Neg. inotropic durg, strong Na blocker, has beta-blocker properites, contraindicated in anyone that has abnormal heart
Term
Use dependence Drugs?
Definition
Lidocaine & propafenone; more effective when HR inc. Exercise pts if worried about toxicity
Term
Use of Amiodarone?
Definition
most effective w/ v-tachy and v-fib w/ pts w/ abnormal heart & CHF
Term
SE of Amiodarone?
Definition
4 Major Toxicity: 1) Liver; 2) Eyes; 3) Lungs--pulmonary firosis; 4) Thyroid--either hyper or hypothyroidism
Term
Sotalol
Definition
Renally excreted; racemic misture; beta-blocker;
Term
SE of Sotalol
Definition
SE-->asthma, slowing Heart BEat, prolong AT interval--> lead to Torsade
Term
Reverse Use Dependence
Definition
risk of SE is highest when HR is slow
Term
Ibulitide
Definition
chemical version (IV) of Sotalol, used fro chemical cardioversion, when pts doesnt' want to get shocked; Works w/in 5 mins. prlongs QT interval
Term
Propanolol
Definition
beta-blocker, unique feature is that it is used in atril fib w/ related to hyperthyroidism
Term
CI of Adenosine
Definition
Transplant pts
Term
Adenosine
Definition
IV drug; 10-25 sec; selectively blocks AV node; gvn to pts w/ SVT arrythmias
Term
Digoxin
Definition
1)Gvn to heart failure; 2) if pts don't tolerate beta-blockers; ca channel blocker
Term
Aortic Dissection-DeBakey I
Definition
proximal, extends all the way down, surgical emergency
Term
Aortic Dissection-DeBakey II
Definition
descending; distal, Type A-meical emergency
Term
Amaurosis Fugax
Definition
emobolism from carotid artery, lost of vision
Term
Rapair of Abdominal Aortic Aneurysms
Definition
5.5 com is the best threshold for repair
Term
Lariche Syndrome
Definition
occlusion of distal aorta; buttock claudication; impotence in men
Term
SE of Cholestryramine
Definition
Rise in serum TG, interference w/ absorp of digoxin, warfarin, thiazide diuretics, beta-blockers, thyroid and thyroxine preparations
Term
Fibric Acid Derivatives
Definition
Gemfibrozil & Fenofibrate
Term
CI of Gemfibrozil
Definition
CI in combo w/ statins, inc. risk of rhabdomyolysis
Term
Use of Gemfibrozil
Definition
tx of choice for pts w/ kidney dz
Term
Use of Fenofibrate
Definition
CI w/ kidney dz; gvn to pts w/ statins
Term
Nicotinic Acid
Definition
Metaoblized by kindey; b/c many SE, it has limited use
Term
Rosovastatin
Definition
Excrted by renal and liver; most powerful statin; use in small dose w/ asian population;
Term
Atorvastatin
Definition
excrted by CYP450 in liver;
Term
Pravastatin
Definition
metabolized by the kidney; given to AIDS pts b/c doesn't interact w/ protease inhibitors
Term
Ezetimide-Zetia
Definition
selectively inhibits the intestinal absorption of CH; localized at brush border of small intestine
Term
Ezetimibe Results
Definition
1)dec in the delivery of intestinal ch to the liver 2) Reduc of hepatic ch stores and inc. in clearance of ch from the bood
Term
Ezetimide + Atorva
Definition
good combo to use low doese of statin while getting max effectiveness
Term
Indomethacin
Definition
PG syn inhibitor given to close patent ductus arteriosus
Term
Fixed second heart sound
Definition
means there is an atrial septal defect
Term
Two types of VSD
Definition
1) membranous- 70%; 2) Muscular 30%
Term
Tx of coarctation of the aorta in neonates
Definition
Neonates-PG infusion, surgery
Term
Tetralogy of Fallot
Definition
1) VSD 2) Subpulmonic plumonic stenosis 3) Overriding Aorta 4) RV hypertrophy due to pulmonic stenosis
Term
Common cause of neonatal cyanosis
Definition
transposition of the great arteries
Term
Jantene procedure
Definition
arterial switch operation to correct-arteries are cut above semilunar valves & repositioned correctly
Term
Eisenmemger Syndrome
Definition
severe pulmonary vascular obstruction from chronic L to R shunting, w/ reversal fo the orginal shunt (now R to L) w/ systemic oxygen desaturation & hypoxia; pulmonary arteriolar media hypertrophy and intimal proliferation; thrombosis
Term
CF of Eisenmenger Syndrome
Definition
inc P2 component; prominent jugular a wave; absent murmur since shunt lessens
Term
Sign of nausea & vomiting in ACS
Definition
n/v occur in predom RCA infaraction, serves parasymp; better prognosis bc it serves only inferior wall of the heart
Term
Argatoban
Definition
Univalent inhibitor of Thrombin; only inactivates the active site
Term
Hilrudin
Definition
bivalent Thrombin inhibitor, it binds to the active site and exo-1 (site where it binds fibrinogen)
Term
Widened S2 splitting
Definition
1) RBBB 2) RV overload 3) Pulmonic Stenosis 4) VSD 5) PDA
Term
Fixed S2 sound (no split
Definition
ASD
Term
Loud S2
Definition
Aortic/pulmonary stenosis
Term
Soft S2
Definition
Severe calcified aortic/pulmonary stenosis
Term
Descrescendo murmur right after S2
Definition
Diastole--> AR or PR
Term
Opening snap after S2
Definition
Diastole-->MS/TS mild
Term
Holosystolic Murmur
Definition
1) MR/ TR; 2) VSD; 3) ASD; 4) Coarcation of Aorta (heard on the back)
Term
Systolic Diamond Shapted Murmor (crescendo-decresendo)
Definition
AS/PS; Tetrology of Fallot
Term
Continous Murmor
Definition
1)PDA; 2) Coaraction of Aorta
Term
ECG of Digitalis Toxicity
Definition
Wenckeback (Mobitz Type I) 2nd degree heart block
Term
What is the major Clinical diff btwn Constrictive Pericarditis & Restrictive Pericarditis?
Definition
Constrictive Pericarditis only see JVD; in Restrictive (Tamponade) see JVD AND Pulsus Paradoxus
Term
Proximal Right Coronary Occlusion
Definition
affect SA node; slow HR; affects the Right Ventricle
Term
Dista RCA Occlusion?
Definition
AV node dysfunc; spares the Right Ventricle
Term
LAD prox. occlusion
Definition
Complete Heart block; take out the septum
Term
2 Causes of Complete Heart Block
Definition
1) Distal RCA occulusion; 2) Proximal LAD occulusion
Term
Clicinal Presentation of Papillary Muscle Dys
Definition
Mitral Regurgitation; pulmonary congestion; Reduced CO
Term
Imp. symptom of Endocarditis
Definition
Neurologic Abnormaliites (put only present in small %); caused by emboli to the CNS
Term
Common Bacteria causing Endocarditis?
Definition
Stahylococci (gram-pos. cocci)
Term
Sign. of S. Bovis in Endocarditis?
Definition
Look in colon for pathology b/c that is where they originate from
Term
Pathogen Causing PV Endocarditis ( < 60 dys vs. > 60 days)?
Definition
Prosthetic Valve Endocarditis= < 60 dys= gram-neg, S. aureus, & fungal; > 60 days, pathogen are simlir to NVE
Term
How can Endocarditis cause Heart Block?
Definition
In Heart Block, peri-annular infection, affect the conduction sys; particular of aortic valve
Term
Janeway Lesions
Definition
Janeway lesions are non-tender, often haemorrhagic (bleeding into the skin), and occur mostly on the palms and soles including the thenar and hypothenar eminences (at the base of the thumb and little finger respectively). They tend to last days to weeks before healing totally. They are more commonly seen in acute endocarditis, when bacteria such as Staphylococcus aureus
Term
Osler's Nodes
Definition
Osler nodes are red-purple, slightly raised, tender lumps, often with a pale centre. Pain often precedes the development of the visible lesion by up to 24 hours. They are typically found on the fingers and/or toes. They can occur at any time during the course of endocarditis (usually subacute) and last from hours to several days.
Term
Imaging for Endocarditis
Definition
TEE--> Trans-Esoophageal, 95 % senstitive
Term
When to Rx w/ antibiotic prophylaxis to prevent Endocarditis?
Definition
Prophylaxis w/ Antibiotics:
1) Prosthetic Cardiac Valves or Prosthetic material 2) Previous episode of Endocarditis 3) Congential Heart Dz 4) Cardiac Transplat w/ valvulopathy
Term
Colhcine
Definition
anti-inflammatory; inhibits cytokines; useful for acute pericarditis
Term
Common Viral Infection of Pericarditis?
Definition
Echovirus & Coxsackievirus B
Term
Causes of Hemmorrhagic Pericarditis
Definition
1) Tb 2) Malignant 3) Trauma 4) Aorti Dissection
Term
How does the ECG look in Pericarditis?
Definition
ST elevation w/ PR depression
Term
Ewart's Sign
Definition
set of findings on physical examination in people with large collections of fluid around their heart (pericardial effusions)
Dullness to percussion, egophony, and bronchial breath sounds may be appreciated at the tip of the left scapula when the effusion is large enough to compress the left lower lobe of the lung, causing consolidation or atelectasis.
Term
When is Pulsus Paradoxus seen?
Definition
1)COPD 2)Asthma 3) Tamponade
Term
Signifacne of protein > 0.5 in pericardial fluid
Definition
usually means that it is bad, neoplasitc, rather than viral
Term
Pressure changes in Constrictive vs. Restrictive Pericarditis?
Definition
Constrictive-diastolic; Restrictive-sytolic (PP)
Term
How much % stenosis is one vessel dz, 3-triple?
Definition
70%
Term
What kinds of plaques are the most likely to rupture
Definition
Plaques that have the most amount of cholesterol and least amount of calcium are more likely to rupture
Term
3 ways to boost sensitivity & specificity of stress test
Definition
1) Use ABCDE; 2) Use of pre-test pop. w/ >.4; 3) Imaging
Term
Difference btwn ischemia and infarct
Definition
Ischemia=restriction of blood flow; infarct=cell death; necrosis
Term
When is a nuclear stress test done?
Definition
1)To distinguish from ischemia/infarct 2) On ppl that have already experienced an infarct
Term
Wat modality is used to image Calcium, & what is it a good marker of?
Definition
Calcium is a good marker of athersclerotic plaque, and use CT to detect calcium
Term
Clinical Manifestations of Heart Failure?
Definition
Most of the symptoms and clinical manifestations of heart failure are going to be due to congestion or poor perfusion.
Term
What is BNP?
Definition
Bnp is brain naturetic peptide. it is produced in the ventricles in response to volume and pressure overload; < 100 no Heart FAilure; > 400=Heart Failure
Term
What do you give a patient that develops a cough w/ ACE inhibitor?
Definition
Give patient ARB (Angiotensin Receptor Blocker)
Term
When is ACE inhibitor and ARB contraindicated, & what do you give pt w/ HF?
Definition
Pt w/ renal dz should be given hydralazine and nitrates
Term
When do you give Spironolactone?
Definition
spironolactone, which is indicated in patients that have Class 3 or Class 4 HF, these are aldosterone antagonists, again renin-angiotensin-aldosterone.
Term
What are Hydrocholorothaizide, Chlorthalidone, Metolazone?
Definition
Mild diuretics hydrochlorothiazide, chlorthalidone, or metolazone. These block sodium reabsorption in the loop of Henle in the distal convoluted tubules
Term
SE of Diurectics (7)
Definition
1) Pre-renal azotemia; 2) Skin Rashes; 3) Neutropenia; 4) Thrombocytopenia; 5) Hyperglycemia; 6) Inc. Uric Acid 7) Hepatic Dysfunc
Term
MOA & SE of Loop Diuretics?
Definition
The mechanism of action of the loop diuretics is they inhibit chloride reabsorption in the ascending limb of the loop of Henle. This results in natriuresis, kaliuresis, and metabolic alkalosis.
Term
What improves survival in pts w/ HF?
Definition
ACE inhibitors have been shown to improve survival in HF patients. Diuretics have not been shown to improve survival, but ACE inhibitors not only do you feel better, but you live longer.
Term
SE of ACE inhibitors
Definition
1)Angioedema; 2) Hypotension; 3) Renal Insufficiency; 4) Rash; 5) Cough
Term
Aldosterone Inhibitors?
Definition
Spironolactone/ Eplerenone
 “K sparing Diuretics”
 Improve mortality in patients with CHF due to effects on RAA system and aldosterone inhibition.
 Indicated in Class III-IV CHF.
 Side effects: hyperkalemia with both. Gynecomastia with spironolactone. If this occurs, then use eplerenone.
Term
What makes HF live longer, what makes them feel better?
Definition
Digoxin & Lasix=feel better; ACE inhibitors & beta-blockers=live longer
Term
MOA of Digoxin
Definition
Digoxin has a positive inotropic effect. What digoxin does, it increases intracellular Ca and increases the actin-myosin cross-bridge formation. So it increases intracellular Ca, it makes you squeeze more. It does this because it binds to the Na/K+ ATPase, inhibits the Na pump, increases intracellular Na, and increases Na/Ca exchange.
Term
Which one reduces afterload/preload--Hydral/Nitrates
Definition
Hydralizine=reduc. of afterload; Nitrates=reduction of preload
Term
When are positive inotropic agents given/ beta-agonists
Definition
only useed in acute inpatinet (hospital); w/ shock or low perfusion states
Term
Cause of Atrial Flutter
Definition
Atrial Flutter is reentry w/in the atria
Term
What is AIVR & when is it seen?
Definition
AIVR-->Accelerated idioventricular rhythm; seen in pts who are post myocardida infarction & have AV conduction block, welcomed b/c it is a sign of reperfusion
Term
First-Degree AV Block
Definition
1st degree AV Block-->prolongation of the normal delay btwn atrial and ventricular depolarization; PR interval is lengthened > 5 small boxes
Term
What is the major difference btwn Mobits Type 1 and Mobitz Type II block
Definition
Mobitz Type /i--AV delay gradually increases w/ each beat until an impulse is completely blocked; results from impaired conduction in the AV node; block is transient
--Mobitz Type II--> sudden intermittent loss of AV conduction; usually caused by conduction block beyond the AV node (bundle of His or Purkinje system, more dangerous, tx w/ pacemaker
Term
How do you fix AV disassociation?
Definition
Fix AV disassociation by giving Atropine (inhibit PNS)
Term
What are Verapamil & Diliatiazem, and what are they used for?
Definition
Class IV; calcium channel blockers; not used as tx for sinus Tachy; slow the ventricular response durign atrial flutter or fibrillation by causing inc. conductioin block of atrial impulses in the AV node
are used to control the ventricular rate in pts in whom fultter or fibrillation cannot be converted to sinus rhythm
Term
What cuaes IVT and how do you tx it?
Definition
Idiopahtic Ventricular Tachycardia is caused by delayed afterdeporlizations; tx w/ Verapamil & Dilitiazem
Term
How do you tx Sinus Tachy/Supraventricular Tachy
Definition
Adenosine is given for SVT--causes transient block of AV nodal conduction
Term
What are Class III Antiarrhtymic Drugs, and how do they work?
Definition
Class III-Potassium Channel Blockers-Prolongs the action potential duration & refractory period (SAI)-Sotalol, Amiodarone & Ibutilide
Term
What are Class IV antiarrythmic Drugs, and how do they work?
Definition
Class IV-Calcium Channel Blockers-Modify inward current through L-type calcium channels
Term
What is Sotalol used for?
Definition
Atrial flutter & fibrillation & Ventricular Tachy & fibrillation
SE-->QT interval elongation=torsade de pointes
Term
What is Torsade de pointes (TdP)
Definition
TDP-->polymorphic ventricular tachycardia, caused by early afterdepolarizations (are associated w/ prolonged QT interval)
Term
When would Amiodarone be admin?
Definition
Amiodarone can be used for atrial tachy. but its the tx of choice for ventricular arrhythmia, recurrent ventricular tachy & fibrillation w/ pts who have struc. heart dz
Term
What drug is used for chemical cardioversion?
Definition
Ibutilide--> tx atrial flutter & fibrillation, chemical cardioversion
Term
How do Fibric Acid Derivatives work?
Definition
Fibric Acid derivatives stimulate PPAR-alpha
1) Makes apo-A, which inc. HDL
2) Enhances activity of LPL-->dec. TG
3) Enhances beta-oxidation of FA
Term
Which Statins are contraindicated on a pts receiving a macrolide, which is the drug of choice?
Definition
Pts on marcolide should be
Not be given
1) Simvastatin
2)Atorvastatin
3) Lovastatin
4) Fluvastatin (?)
Should be on: Rosuvastatin
Term
Bc of the SE of Statins, when would you stop the drug?
Definition
if liver enzymes are greater than 3x upper limit of normal, you want to stop. For the muscle enzymes, >10x without complaints or if with complaints and >5x normal, you should stop the drug
Term
Clinical Presentation of pt w/ ASD?
Definition
Dyspnea • Fatigue • Respiratory infections • Atrial arrhythmias - fibrillation
• May escape detection until adulthood since murmur not prominent and little symptoms
Term
Noonan syndrome
Definition
associated w/ pulmonary stenosis
Term
Holt-Oram Syndrome
Definition
Holt–Oram syndrome is a disorder that affects bones in the arms and hands (the upper limbs) and may also cause heart problems.
ASD & VSD
Term
Holt-Oram Syndrome
Definition
Holt–Oram syndrome is a disorder that affects bones in the arms and hands (the upper limbs) and may also cause heart problems.
ASD & VSD
Term
DiGeorge Syndrome
Definition
Characteristic signs and symptoms may include birth defects such as congenital heart disease, defects in the palate, most commonly related to neuromuscular problems with closure (velo-pharyngeal insufficiency), learning disabilities, mild differences in facial features, and recurrent infections. Infections are common in children due to problems with the immune system's T-cell mediated response that in some patients is due to an absent or hypoplastic thymus
Term
Williams Syndrome
Definition
Supravalvular aortic Stenosis & pulmonary artery stenosis t is characterized by a distinctive, "elfin" facial appearance, along with a low nasal bridge; an unusually cheerful demeanor and ease with strangers; developmental delay coupled with unusual (for persons who are diagnosed as developmentally delayed) language skills; and cardiovascular problems, such as supravalvular aortic stenosis and transient hypercalcaemia
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