W1: Cardiovascular Alterations Flashcards
Disorders of pericardium
Acute Pericarditis
Constrictive/restrive Pericarditis
Percardial Effusion
Acute Percarditis
acute inflammation of the eprcardium
Acute Percarditis: CM
fever
malaygia
malaise
sudden onset of severe chest pain
Acute Percarditis: Tx
rest
salicylates
non-steroidal inflammatory drugs (nonsteroidals + colchicine)
Restrictive Percarditis
fibrous scarring + calcification of percardium = parietal and visceral layers of percarium sticking
Restrictive Percarditis: CM
exercise intolerance
dyspnea upon exertion
fatigue
anorexia
Restrictive Percarditis: Tx
dietary restriction of sodium
diueretics (CO)
antiinflammatory drugs
surgical excision
Percardial Effusion
accumulation of fluid in percardial cavity
tamponade
Percardial Effusion: Tx
percardiocentesis
Disorders of the myocardium: overview
d/t neurohumoral responses to ischemic heart disease OR HTN –> remodelling
cause is idiopathic
Cardiomyopathies
dilated cardiomyopathy
hypertrophic cardiomyopathy
- hypertrophic obstructive cardiomyopathy
- hypertensive / valvular cardiomyopathy
restrictive cardiomyopathy
Dilated Cardiomyopathy
impaired systolic function –> inc. intracardiac volume, ventricular dilation, systolic HF
Dilated Cardiomyopathy: Cause
ischemic heart disease
hypothyroidism
alcohol
drug toxicity
valvular disease
renal faliure
diabetes
infection
dec. Vit D, selenium, niacin
Dilated Cardiomyopathy: CM
dyspnea
fatigue
pedal edema
Dilated Cardiomyopathy: Tx
dec. BV
inc. contractility
reverse underlying cause
Hypertrophic Obstructive Cardiomyopathy
defect of thick septal wall
Hypertrophic Obstructive Cardiomyopathy: CM
angina
syncope
palpitation
symps of MI
symps of L. HF
Hypertrophic Obstructive Cardiomyopathy: Tx
beta-blockers, ACE Inhibators
surgical resection
septal ablaiton
cardioverterfibrillators (high-risk)
Hypertensive/Valvular Hypertrophic Cardiomyopathy
hypertrophy of the myocytes- to compensate for inc. cardiac workload
Hypertensive/Valvular Hypertrophic Cardiomyopathy: CM
asymptomatic
angina
syncope
dyspnea upon exertion
palpitationsR
Restrictive Cardiomyopathy
myocardiu becomes rigid + non-complicant = impedes ventricular filling, increased filling pressure during diastole
Restrictive Cardiomyopathy: CM
R-Heart Faliure
systemic venous congestion
Restrictive Cardiomyopathy: Tx
treat underlying cause
Valvular Heart Disease: Tx
fluig mgt
valve repair/replacement + LT anticoagulation therapy + lifelong antibiotic prophylaxis before invasive procedure
What to valaves normally do?
maintain normal direction of blood flow
Most common cause for valvular heart disease
rheumatic heart disease
Valvular Heart Disease: patho
wear and tear
hyperlipdemia, HTN, infammation –> calcification (stenosism, regurg, arrythmias)
Valvular Stenosi
narrowing of the orrifice
Aortic Stenosis
narrowing of the aortic valve orrifice = dec BF from LV into aorta
Aortic Stenosis: CM
angina
dyspnea
syncope
Aortic Stenosis: Tx
valave repair/ replacement + LT anticoag therapy
transcatheter aortic valve implantation
Aortic Stenosis: patho
stenosis –> inc LV pressure –> LV dec contractility —> inc LA pressure –> pulmonary edema (cough, dyspnea, orthopenea) AND dec CO –> tissue ischemia (oliguria, stroke, syncope, angina)
Mitral Stenosis
narrowing of the mitral valve
impaired BF from LA -> LV
d/t rheumatic fever
Mitral Stenosis: Tx
valve repair/replacement
Mitral Stenosis: Patho
stenosis –> inc LV pressure –> LV dec contractility —> inc LA pressure –> pulmonary edema (cough, dyspnea, orthopenea) AND dec CO –> tissue ischemia (oliguria, stroke, syncope) AND LA dilation –> Afib –> palpitation
Aortic Regurgitation
can’t close during diastole
Aortic Regurgitation: CM
widened pulse pressure
Aortic Regurgitation: Tx
inatrophic agents
vasodilators
valve replacement
Mitral Regurgitation
backflow of blood from LV into LA
Mitral Regurgitation: Cause
mitral valve prolapse
rheumatic heart disease
infective endocarditis
MI
connective tissue disease
dilated cardiomyopathy
Mitral Regurgitation: Tx
surgical repair
valve replacement
Triscupid Regurgitation
volume overload in RA and RV –> inc systemic venous pressure –> R HF
Mitral Valve Prolapse Syndrome
anterior and posterial cusps of the mitral valave prolapse into the LA during systole
Mitral Valve Prolapse Syndrome: CM
asymptomatic
Mitral Valve Prolapse Syndrome: tX
None
or beta blockers
Classification of Congenital Heart DIsease
based on blood flow
- inc pulmonary bf (L-R, pulm congestions, acyanotic)
- dec pulm blood flow (R-L, cyanosis)
- obstructive lesions (outflow tract obstruction, no bf, no shunting)
- mixing lesions (blood mixing)
Acyanotic Heart Defects
L–>R shunt
inc volume on the R side
inc bf in pulmonary circulation
blood still gets oxygenated before entering systemic ciruclation, no decrease in deoxygenation, cyanosis
Cyanotic Heart Defects
R–> L shunt
dec bf through pulmonary system
dec oxygenation = cyanosis
Acyanotic: classifications
inc blood flow
obstruction bf from ventricles
Cyanotic: classifcations
dec pulmonary bf
mixed blood flow
Acyanotic: Inc Pulmonary bf
atrial septal defect
ventricular septal defect
patent ductus arteriosus
atrioventricular canal defect
Acyanotic: Obstruction to bf from ventricles
coarctation of aorta
aortic stenosis
pulmonic stenosis
Cyanotic: dec pulm bf
tetralogy of fallot
tricuspid artesia
Cyanotic: mixed blood flow
transposition of the great arteries
total anamolous pulmonary venous connection
tricuspid arteriosus
hypoplastic L heart syndrome
Patent Ductus Atreiosus
ductus arteriosus doesn’t close (usually closes after birth)
before birth it allows blood to shunt from pulmonary artery to aorta
Patent Ductus Atreiosus: CM
machinery type murmur
bounding pulses
active precordium
thrill upon palpitation
S/S pulmonary overcirculation
Patent Ductus Atreiosus: tx
surgical closure
Atrial Septal Defect
abnormal comm btw atria (L –> R shunt)
Atrial Septal Defect: CM
symptomatic
dx with murmur
Atrial Septal Defect: Types
- ostium primum
- ostium secondum
- sinus venosus
Atrial Septal Defect: Tx
surgical closure before school age
Ventricular Septal Defect
abnormal communication btw ventricles ( L –> R)
Ventricular Septal Defect: CM
HF
poor weight gain
murmur + systolic thril
Ventricular Septal Defect: Tx
minimal tx before surgical repair
Atrioventricular Septal Defect
d/t nonfusion endocardial cushions
abn. in atrial + vent septal & AV valves
complete, partial, transitional AVC
Atrioventricular Septal Defect: CM
murmur
HF
resp tract infections
Atrioventricular Septal Defect: tx
repair btw 3-6 mo
Coarctation of Aorta
narrowing of thr aorta lumen = dec BF
usually juxtaductal position but can be from thr aortic arch –> bifurcation of the aorta in the lower abdomen
Coarctation of Aorta: CM (newborns)
HF
hypotension –> acidosis –> shock
Coarctation of Aorta: CM (older kids)
HTN (upper extrem.)
absent pulses (lower extrem)
cool motteled skin
leg cramps during exercise
Coarctation of Aorta: Tx
prostaglandim administration
inatrophic agents
mechanical ventilation
maintain CO
surgery
Aortic Stenosis
narrowing of aortic outflow tract
d/t malformation/fusion of the cusps = inc LV workloard
Aortic Stenosis: CM
asymptomatic
murmur
exercise intolerance (preadolescence)
syncopal episodes
epigastric pain
exhertional CP
Aortic Stenosis: Tx
ross procedure
aortic valvotomy
commisturotomy
Pulmonic Stenosis
narrowing of the pulmonic outflow tract or valve
pulmonic atresia
thickening of leaflets
Pulmonic Stenosis: CM
asymptomatic
exhertional dyspnea
murmur
fatigue
thrill
cyanosis
HF
Pulmonic Stenosis: Tx
mild; none
severe: pulmonic valvotomy
balloon angioplasty
Tetralogy of Fallot
- large ventricular septal defect
- pulmonary stenosis
- ovverrriding aorta straddles ventricular septal defect
- R ventricular hypertrophy
Tetralogy of Fallot: CM
cyanosis
hypoxia
clubbing
feeding difficulty
dyspnea
restlessness
squatting
tet spell: crying exhertion
Tetralogy of Fallot: Tx
surgery <1yr
blalock-taussing shunt
transcatheter pulmonary valve replacement
patch
Tricuspid Atresia
blocked tricuspid valve
no communciation btw RA & RV
- septal defect
-hypoplastic/absent RV
-enlarged mitral valve or LV
-pulmonic stenosis
Tricuspid Atresia: CM
cyanosis
growth faliure
exhertional dyspnea
tachypnea
hypoxemic
polycythemia
clubbing
hepatomegaly
Tricuspid Atresia: Tx
blalock-taussing shunt
PA band
rashkind procedure
prostaglandin administration
closure of septal defects