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Athlete Sudden Cardiac Death
EMERGENCIES IN MEDICINE
Park City 2012
Jim Kyle, MD, FACSMEmergency Department Director, Beckley ARH
Team Physician Concord University
Associate Clinical Professor Marshall University
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Sports Trauma Trends Head / Neck Case
Long term subtle neuro deficit
Heat Stress Injury
Performance enhancement supplements
Sudden Cardiac Arrest
Unrecognized congenital conditions
Cardiac concussion
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Sudden Cardiac Death in Athletes
Incidence of SCD• high school athletes 1:100,000 to 200,000
VanCamp & Maron• college athletes 1:65,000 – 69,000 VanCamp
& Drezner• 1:50,000 marathoners, 1:15,000 joggers• ~ 110 athletic deaths per year in US Maron• no national surveillance system; true incidence
unknown; most likely underestimated
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The Faces of SCA
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1990 - Hank Gathers Tragedy
• DX: exercise related complex ventricular tachycardia
• RX: Beta Blocker- Inderal 200qd• Return to play in three weeks• Courtside cardiac monitor
defibrillator
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Hank Gathers SCA• Medication had been
decreased due to side effects
• Cause of death -HCM
• Cardiac monitor defibrillator legal issue: $32 Million law suit
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Cause of Sudden Cardiac Death Ten Year Review 158 Athletes
B. Maron, JAMA 1996
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Cause of Sudden Cardiac Death Ten Year Review 158 Athletes
B. Maron, JAMA 1996
• 1985-95 sudden death organized sports
• 138 cases of Sudden Cardiac Death
• Ages 12-40, median age=17 90% Male
• 68% occurred in Football and Basketball
• 62% High School, 22% College, 7% Professional
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The Faces of SCA
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SCA in Athletes“The unexpected death of an athlete during exercise
is tragic irony. ... much remains unknown regarding optimal screening strategies, pathophysiologic mechanisms,and prevention”
Mark Link, MD
Tufts University
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Cardiac Concussion
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Little League Baseball Sudden Death
• A 16yo player was struck in the chest by the baseball thrown from home plate as he attempted to steal third base. Shortly after standing he collapsed with seizure like activity and stopped breathing.
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Little League Baseball Sudden Death
• The coach initiated CPR and local EMS documented arrival of an ACLS team 8 minutes after receiving the call from the field. Attempts to resuscitate were unsuccessful.
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Cardiac Concussion• Commotio Cordis - sudden death during sports
play after a blunt blow to the chest Maron, NEJM, 1995
• 25 case 1977-95, Average Age = 11 (3-19) 18 playing baseball or softball, “Little League Sudden Death” 24 male
• Vulnerable window 15-30 msec prior to peak of T wave inducing V- Fib Link, NEJM, 1998
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Laboratory Cardiac Concussion
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Sudden Death: Commotio Cordis
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2001 Commotio Cordis Update
• 2001 update - 128 cases 84% cases fatal
• Early defibrillation with on site AED only effective treatment
• AED documented in 41 cases, 19 survived = 46%
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Cause of Sudden Cardiac Death Ten Year Review 158 Athletes
B. Maron, JAMA 1996
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“Sudden Death in Young Athletes” Maron NEJM 2003,
Sudden Death in 387 Young Athletes1. Hypertrophic Cardiomyopathy – 34 %2. Commotio Cordis – 20%3. Coronary-artery Anomalies – 14%
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2010 Update: Cardiac Concussion
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2010 Update: Cardiac Concussion
• 224 Cases: NEJM, B Maron, M Estes
• Mean Age = 15: 26% < 10yo Range: 6mos – 50yo
• 95% Male, 78% White
• Survival rate15% 1990-1999
35% 2000-2009 ( 2006-09 > 50% )
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The Casino Project
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The Casino Project
• 1997 – Security Guards at Star Dust trained by Clark County EMS, Richard Hardman in use of Life-Pak 500
• 1997- 2000: 200+ cases of witnessed SCA with 57% survival
• Time to AED- 3 mins, Shock 4 mins
• 6,500 Security Guards trained
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Public School AED Program
• 1999: Planning for Scholastic Cardiac Emergencies, WV Med Jour. The Ripley Project
• 2000: Milwaukee City school after 4 case SCA Project ADAM
• 2001: Long Island schools lacrosse focus Acompora Foundation (www.la12.org)
• 2007: 91% College, 35% High School with AED
• 2011: Saves > Deaths Commotio Cordis
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“Non V-Fib” Cardiac Concussion
Link,NEJM: 4/10 impacts during QRS = complete heart block
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“Non V-Fib” Cardiac Concussion• 3* Heart Block
• LBBB
• ^ST segment
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Athletes at Risk for SCA
• Chief complaint of syncope
• Chest Pain with or post activity
• History of palpitations
• Family History of Sudden death
• Abnormal EKG
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Athlete SCA : Have We Changed the Playing Field ?
Emergency Department • Athlete Collapse – Assume Cardiac
Etiology (Sentinel Seizure)• EKG Attention: Delta and Epsilon Waves,
LQT• Syncope, Near Syncope, Chest Pain Work
Up: Consider advanced imaging, Cardiac CT, MRI* vs ECHO
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ARVD – Prolonged QRS, Inverted T wave V1 – V2
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ARVD – Arrhythmogenic Right Ventricular Dsyplasia
• Italian Sport Federation requires school athletes to have EKG and limited stress test on an annual basis
• EKG with prolonged QRS V1-V3 110 msec and inverted T wave
• Epsilon wave in 50%
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ARVD Epsilon Wave
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Athlete SCA : Have We Changed the Playing Field ?
Emergency Department • Athlete Collapse – Assume Cardiac
Etiology (Sentinel Seizure)• EKG Attention: Delta and Epsilon Waves,
LQT• Syncope, Near Syncope, Chest Pain Work
Up: Consider advanced imaging, Cardiac CT, MRI* vs ECHO
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ARVD with fatty (dark, arrows)
RV myocardium
By Cardiac CT Angiography Study
N. Wilke, UF and Precision Imaging Centers, JAX, Florida
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Cause of Sudden Cardiac Death Ten Year Review 158 Athletes
B. Maron, JAMA 1996
25%
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Coronary Artery AnomaliesMagnetic Resonance Imaging
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Möhlenkamp et al. Circulation 2002;106:2616-22.
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Cardiac CTA: Common, Stenosed
Ostium of RCA and LM
N. Wilke, UF and Precision Imaging Centers, JAX, Florida
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Athlete SCA : Have We Changed the Playing Field ?
Athlete Screening• Consider EKG – Corrado Italian Criteria• Heart Murmur – Baseline ECHO with potential
repeat to R/O HCM, Marfans• Palpitations or SVT suspicion - Holter
Monitor
*2006 World Cup: FIFA required EKG, ECHO, Stress Test after Cameroon SCA
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Italian Guidelines for Sports Medicine1982 Law Competitive Athletes 12-35
• PSPE Screening : PMH , FH, Physical Exam, and 12 lead EKG
Positive findings: ECHO, Stress Test, Holter
• PMH: Syncope, Chest Pain, SOB, Palpitation• PSPE: Heart Murmur systolic >2/6 any diastolic,
Abnormal S2, Systolic Clicks, BP >140/90, Irr Rhythm, R/O Marfans
• EKG: Hypertrophy, Blocks, ST and T wave, Intervals
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Italian Pre-Competition Screening
D. Corrado,et.al. Sports Medicine Data Base,Veneto region, Italy: NEJM 1998
• 20 year screening for HCM 33,735 athletes
• 3016 (9%) referred for echocardiogram
• 22 had HCM- 16 @ risk identified EKG
• 49 deaths (1.6 per 100,000) 1 from HCM, 11 from ARVD (22%)
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Italian Guidelines for Sports Medicine
Abnormal EKG:• LAH, RAH, R axis, L axis,• LVH (20mm limb, 30mm pre-cordial),• AV Block, 1*,2*, 3* (1* >.21 not shorted with
hyperventilation) RBBB, LBBB• Long QT (>.44men, >.46 women)
Short PR (<0.12)• PVCs, AF, SVT • ST depression or T wave inversion 2 or more
leads, Q wave 2 leads, V1 R:S ratio >1
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2007 NATA Position Paper SCA in Athletes Summit (Courson, Drezner)
• Most cases occur with Basketball, Football and Little League Baseball
• 9 to 1 Male/Female• Athlete Collapse – Suspect SCA Sentinel Seizure awareness• AED’s with time to shock < 4 minutes• Coach AED certification• Schools need a formal Emergency Medical Plan • Rapid ACLS availability
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SCA in Athletes“The unexpected death of an athlete during exercise
is tragic irony. ... much remains unknown regarding optimal screening strategies, pathophysiologic mechanisms,and prevention”
Mark Link, MD
Tufts University