Hypertrophic obstructive cardiomyopathy

• Estimated prevalence of 0.2-0.5% of population (all races)
• Can run in families (genetic)
  
• Causes myocardial thickening (particularly in anterior interventricular septum) and LVH

EKG Findings

• LVH
• "Dagger-Like" Q-waves in Lateral (more common) and Inferior distribution
• Left atrial enlargement
• Dysrhythmias
  
• May also show signs of WPW
  

Murmur

• Systolic murmur at apex or LLSB
• Increases with valsalva or standing
• Decreases with trendelenburg or squatting
  

Diagnosis

• Doppler Echocardiogram

Treatment

• BB or CCB
• Amiodarone if having dysrhythmias
• Surgery/Ablation
  

Reference: http://www.learntheheart.com/GAHOCMECG1.html
Reference: http://lifeinthefastlane.com/ecg-library/hcm/
Reference: http://www.cardiovascularultrasound.com/content/8/1/7