Comprehensive Cardiology: Matters of the Heart Class IV · Different types ... Require open heart...
Transcript of Comprehensive Cardiology: Matters of the Heart Class IV · Different types ... Require open heart...
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Comprehensive Cardiology: Matters of the HeartClass IVSARAH BEANLANDS
RN BSCN MSC
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Valvular
disorders
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Valvular
Disorders
Stenosis- stiffening
Prolapse- slipping out of place
Regurgitation- leaking
Atresia- malformation
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Stenosis
Tricuspid- Atrial enlargement,
Ventricular shrinking
Pulmonic- Ventricular
enlargement, poor oxygen
delivery
Mitral- Atrial enlargement,
Systemic symptoms
Aortic- Ventricular
enlargement, poor systemic
circulation
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Prolapse
Mitral Valve Prolapse- Barlow
Syndrome/ Leaky valve
Syndrome
Structural issue
“Stretchy” valve tissue
Tricuspid, Aortic, or Pulmonic
Valve Prolapse
Much less common
Similar etiology
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Regurgitation
Tricuspid- atrial enlargement
Pulmonic- Respiratory
symptoms
Mitral- Systemic and
pulmonic symptoms
Aortic- Ventricular
hypertrophy
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Atresia
Congenital
disorder- valve
not properly
developed
More often
affects the right
side of the heart
Tricuspid Valve
Pulmonic Valve
Symptoms
depend on type
location of
atresia
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Causes
Congenital Heart Disease
Bicuspid Aortic Valve
Marfan Syndrome
Age
Rheumatic Fever
Radiation Therapy
Pre-existing cardiac
conditions
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Diagnosis
Heart murmur video: https://www.youtube.com/watch?v=Q5-0mSydRR4
ECG
Echocardiography
CT/ MRI
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Signs and Symptoms
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Treatment
Medications
Diuretics
Anti-Arrythmics
Anticoagulants
Valve Repair Valve Replacement
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Valve Repair
Done for the AV Valves, rather
than the semilunar valves
Surgical options
Commissurotomy/ valvulotomy
Annuloplasty- ring of braided
polyester
Percutaneous/ Trans catheter
options
Balloon Valvuloplasty
Mitral Valve Clip
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Valve
Replacement
Mechanical
Pros- long lasting, very
durable
Cons- increased risk for
blood clots, endocarditis
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Tissue Valve replacements
Xenograph: porcine, bovine, human donor
+++ studies done re- bovine vs porcine
Human grafts very rare
Pros- similar to instrinsic anatomy
Cons- require replacement more often than mechanical valves
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TAVI
Trans Aortic Valve replacement
Percutaneous aortic valve replacement
For those who are not able to tolerate open heart surgery
Older
Hemodynamically unstable
Newer procedure, still being perfected
Complications have to do with insertion/ migration
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Infective Endocarditis
Formerly known as bacterial endocarditis
Infection/ inflammation of the lining of the heart with formation of masses
Affects the valves most often
Those who have had rheumatic fever and valve replacements more susceptible
Migration of oral bacteria
Intravenous drug use
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Signs and
Symptoms
Fever & Chills
New heart murmur
Osler and Janeway Nodes
Sudden weightloss and flu-
like symptoms
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Diagnosing
Endocarditis
Echo
CT/ MRI
Blood Cultures
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Treating Endocarditis
ANTIBIOTICS/ ANTIFUNGALS
MASS REMOVAL VALVE REPLACEMENT
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Cardiomyopathy
Different types
Dilated Cardiomyopathy
Hypertrophic Cardiomyopathy
Restrictive Cardiomyopathy
Various causes
Serious and often end stage
Athletic Heart Syndrome
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Congenital Heart Conditions
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Fetal Circulation
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CHD
Often diagnosed prenatally or shortly after birth
Poor feeding, lethargic
Most common type of congenital disorder
Heart develops early on in utero
Range from mild to severe
Affects on multiple organ systems
GI, renal, neuro/ developmental
https://globalnews.ca/video/rd/205477443793/?jwsource=cl
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Categories of CHD
Septal Defects
Cyanotic Defects
Obstructive Defects
“Other” Defects- many different types!
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Septal Defects
Atrial Septal Defects
Foramen Ovale Closure delay
Treatment depends on size of
opening
Ventricular Septal Defects
Different types depending on which
tissue is involved
Require open heart surgery to treat
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Cyanotic
Defects
“Blue Baby” conditions
Lack of blood flow to the body, the lungs, or both!
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Ebstein’s Anomaly
“Atrialization” of the Right Ventricle
ASD often present as well
Association with arrythmias
Surgical repair of valve if possible
Transplant may be necessary
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Transposition of the Great Arteries
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Surgical options
Keep foramen ovale
open (PGE’s)
Atrial septostomy
Arterial Switch
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Tetralogy of Fallot
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Single Ventricle Disorders
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Tricuspid Atresia
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Surgical repair of TA
Blalock Taussig Shunt
First stage of surgery
Replaced at 3- 6 months of age
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Stage 2: Bidirectional Glen
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Stage 3: Fontan
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Hypoplastic Left Heart Syndrome
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The Norwood Procedure
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The Glen
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The Fontan
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Prognosis
Life expectancy 35-40 years
Systemic venous hypertension- liver and kidney issues
Outcomes for those undergoing transplant later on are poor
Modernization of medicine has presented benefits and challenges
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Dextrocardia
Heart’s position is reversed in
the chest
May be a part of situs
inversus or can occur
independently
May cause complications in
other organs
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Next week- Lasts class!