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CARD Final
Cardiac Cycle - Systole
Characteristics
AV Node
AV Node Conducts Signal to Bundle of His
Bundle of His Signals Purkinje Fibers to Contract Ventricles
High-pitched Holosystolic Murmer (over left sternal border)
Dyspnea and Respiratory Distress
Loud Pulmonic S2
Diagnosis
Echocardiogram
Treatment
Small VSDs Close Spontaneously
Large VSDs Require Surgery
Complications
Endocarditis
Eisenmenger's Syndrome
CHF
2 mins
Persistent Truncus Arteriosus
Common Arterial Trunk
Single Trunk Emerges from Both Ventricles
Symptoms
Cyanosis
Pulmonary Congestion
Heart Failure
Single S2 Sound
Diagnosis
Echocardiogram
Chest X-ray
Treatment
Early Surgical Correction
Avoids Pulmonary Hypertension
2 mins
Tetralogy of Fallot (TOF)
Features
Blue Baby Syndrome
Mechanism
PROVe Acronym
Pulmonary Infundibular Stenosis
Right Ventricular Hypertrophy
Overriding Aorta
Ventricular Septal Defect (VSD)
Diagnosis and Treatment
Boot-Shaped Heart
Squatting for Tet Spells
Surgery
2 mins
Total Anomalous Pulmonary Venous Return (TAPVR)
Pathophysiology
Pulmonary Veins Do Not Connect to Left Atrium
Oxygenated Blood Return to Right Atrium
Incompatible with Life without a Shunt
With Obstruction
Vessel Enters at an Acute Angle
Severe Cyanosis
Pulmonary Edema
Without Obstruction
Delayed Manifestation (1 or 2 years)
Right Heart Failure
Chest X-ray Shows "Snowman"
Diagnosis
Echocardiogram
Treatment
Surgical Correction
3 mins
Transposition of Great Vessels
Pathophysiology
Pulmonary and Systemic Circulation are in Parallel
Incompatible with Life Without a Shunt
Symptoms
Severe Cyanosis at Birth
Single S2 sound
Diagnosis
Echocardiogram
Chest X-ray shows "Egg-shaped Silhouette"
Treatment
Prostaglandin
Avoid NSAIDs
Surgical Correction
Balloon Atrial Septostomy
2 mins
Coarctation of The Aorta
Pathophysiology
Constriction of a Portion of Aorta
Turner Syndrome
Symptoms
Asymptomatic Hypertension
BP Higher in Upper Extremities, Right Arm
CHF
Diagnosis
Echocardiogram
Cardiac Catheterization
3 Sign on Chest X-Ray
Rib Notching
Treatment
Surgical Correction
2 mins
Dilated Cardiomyopathy
Chronic Alcohol Abuse
Doxorubicin Toxicity
Cocaine Use
Wet Beriberi
Hemochromatosis
Coxsackie B
Chagas Disease
Peripartum
S3
Eccentric Hypertrophy
2 mins
Restrictive Cardiomyopathy
Sarcoidosis
Amyloidosis
Post-radiation Fibrosis
Endocardial Fibroelastosis
Löffler's or Loeffler's Syndrome with Eosinophilia
Hemochromatosis
2 mins
Hypertrophic Cardiomyopathy Mechanisms
Pathophysiology
2/3 Autosomal-Dominant
1/3 Sporadic Type
Mutation in Gene for Sarcomere Protein
Cardiac Myosin Binding Protein C
Asymmetric Septal Hypertrophy
Outflow Tract Obstruction
Diastolic Dysfunction
2 mins
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