scholarly journals Symptomatic Left Ventricular Outflow Tract Obstruction Caused by Mitral Annular Calcification

CASE ◽  
2020 ◽  
Vol 4 (6) ◽  
pp. 490-493
Author(s):  
Nicole Pristera ◽  
Zoran B. Popović ◽  
Shinya Unai ◽  
Rhonda Miyasaka
Keyword(s):  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Mitral Annular Calcification ◽  
Ventricular Outflow Tract Obstruction ◽  
Left Ventricular Outflow ◽  
Annular Calcification

scholarly journals Norepinephrine-associated left ventricular outflow tract obstruction and systolic anterior movement

2019 ◽  
Vol 12 (12) ◽  
pp. e225879 ◽  
Author(s):  
Warner Mbuila Mampuya ◽  
Jonathan Dumont ◽  
Francois Lamontagne
Keyword(s):  
Blood Pressure ◽  
Left Ventricular Outflow Tract ◽  
Myocardial Hypertrophy ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Increase Blood Pressure ◽  
Ventricular Outflow Tract Obstruction ◽  
Left Ventricular Outflow ◽  
Systolic Anterior Movement

In the perioperative setting, norepinephrine is used to increase blood pressure, an effect mediated mostly via arterial and venous vasoconstriction. Thus, norepinephrine is, allegedly, less likely to cause or worsen left ventricular outflow tract obstruction (LVOTO) than other inotropes. We report a case of norepinephrine-associated dynamic LVOTO and systolic anterior movement in a predisposed patient. This report highlights that unrecognised dynamic LVOTO may worsen shock parameters in patients treated with norepinephrine who have underlying myocardial hypertrophy.

scholarly journals Unstable angina complicated with dynamic left ventricular outflow tract obstruction

2021 ◽  
Vol 23 (4) ◽  
pp. 181-188
Author(s):  
Kazuyuki Ozaki ◽  
Takeshi Okubo ◽  
Kenichi Hagiya ◽  
Naoki Kubota ◽  
Keiichi Tsuchida ◽  
...  
Keyword(s):  
Unstable Angina ◽  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Ventricular Outflow Tract Obstruction ◽  
Left Ventricular Outflow
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