RT Book, Section
A1 Ananthasubramaniam, Karthik
A2 Crawford, Michael H.
SR Print(0)
ID 1198113674
T1 Hypertrophic Cardiomyopathy
T2 Current Diagnosis & Treatment: Cardiology, 6e
YR 2023
FD 2023
PB McGraw Hill Education
PP New York, NY
SN 9781264643578
LK accessmedicine.mhmedical.com/content.aspx?aid=1198113674
RD 2024/10/11
AB ESSENTIALS  OF  DIAGNOSISNote:  Not  all  criteria  are  needed  for  the  diagnosis  of  hypertrophic  cardiomyopathy.Asymmetric  hypertrophied  nondilated  ventricle  with  septal  to  posterior  wall  end-diastolic  thickness  ratio  more  than  1.3  not  explained  by  other  etiologies.Ejection  murmur  that  increases  with  Valsalva  with  or  without  concomitant  mitral  regurgitation  murmur  and  preserved  aortic  second  sound.Increased  gradients  causing  obstruction  across  left  ventricular  outflow  tract  and/or  mid  ventricle  with  characteristic  late  peaking  “dagger”-shaped  Doppler  velocity  profile.Mitral  valve  apparatus  structural  abnormalities  and  systolic  anterior  motion  with  varying  degree  of  mitral  regurgitation.Midsystolic  aortic  valve  closure.Impaired  diastolic  function  with  decrease  in  tissue  Doppler  peak  early  diastolic  velocity  (e′)  and  global  longitudinal  strain.