Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability
Left ventricular outflow tract obstruction, which is typically associated with hypertrophic cardiomyopathy, is the third most frequent cause of unexplained hypotension. This underestimated problem may temporarily accompany various diseases (it is found in even <1% of patients with no tangible...
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| Format: | Article |
| Language: | English |
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Sciendo
2014-12-01
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| Series: | Journal of Ultrasonography |
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| Online Access: | http://jultrason.pl/index.php/issues/volume-14-no-59/dynamic-left-ventricular-outflow-tract-obstruction-underestimated-cause-of-hypotension-and-hemodynamic-instability?aid=306 |
| _version_ | 1818176049657151488 |
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| author | Dorota Sobczyk |
| author_facet | Dorota Sobczyk |
| author_sort | Dorota Sobczyk |
| collection | DOAJ |
| description | Left ventricular outflow tract obstruction, which is typically associated with hypertrophic
cardiomyopathy, is the third most frequent cause of unexplained hypotension. This
underestimated problem may temporarily accompany various diseases (it is found in even
<1% of patients with no tangible cardiac disease) and clinical situations (hypovolemia,
general anesthesia). It is currently assumed that left ventricular outflow tract obstruction is
a dynamic phenomenon, the occurrence of which requires the coexistence of predisposing
anatomic factors and a physiological condition that induces it. The diagnosis of left ventricular
outflow tract obstruction should entail immediate implementation of the therapy
to eliminate the factors that can potentially intensify the obstruction. Echocardiography is
the basic modality in the diagnosis and treatment of left ventricular outflow tract obstruction.
This paper presents four patients in whom the immediate implementation of bedside
echocardiography enabled a rapid diagnosis of left ventricular outflow tract obstruction
and implementation of proper treatment. |
| first_indexed | 2024-12-11T20:10:01Z |
| format | Article |
| id | doaj.art-096bd8524caa41f48338ba96021f4bc3 |
| institution | Directory Open Access Journal |
| issn | 2084-8404 2451-070X |
| language | English |
| last_indexed | 2024-12-11T20:10:01Z |
| publishDate | 2014-12-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Journal of Ultrasonography |
| spelling | doaj.art-096bd8524caa41f48338ba96021f4bc32022-12-22T00:52:18ZengSciendoJournal of Ultrasonography2084-84042451-070X2014-12-01145942142710.15557/JoU.2014.0044Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instabilityDorota Sobczyk0The Department of Interventional Cardiology, Central Admission Unit, John Paul 2nd Hospital in Cracow, PolandLeft ventricular outflow tract obstruction, which is typically associated with hypertrophic cardiomyopathy, is the third most frequent cause of unexplained hypotension. This underestimated problem may temporarily accompany various diseases (it is found in even <1% of patients with no tangible cardiac disease) and clinical situations (hypovolemia, general anesthesia). It is currently assumed that left ventricular outflow tract obstruction is a dynamic phenomenon, the occurrence of which requires the coexistence of predisposing anatomic factors and a physiological condition that induces it. The diagnosis of left ventricular outflow tract obstruction should entail immediate implementation of the therapy to eliminate the factors that can potentially intensify the obstruction. Echocardiography is the basic modality in the diagnosis and treatment of left ventricular outflow tract obstruction. This paper presents four patients in whom the immediate implementation of bedside echocardiography enabled a rapid diagnosis of left ventricular outflow tract obstruction and implementation of proper treatment.http://jultrason.pl/index.php/issues/volume-14-no-59/dynamic-left-ventricular-outflow-tract-obstruction-underestimated-cause-of-hypotension-and-hemodynamic-instability?aid=306dynamic left ventricular outflow tract obstructionhypotensionhemodynamic instability echocardiographysystolic anterior motion (SAM) |
| spellingShingle | Dorota Sobczyk Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability Journal of Ultrasonography dynamic left ventricular outflow tract obstruction hypotension hemodynamic instability echocardiography systolic anterior motion (SAM) |
| title | Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability |
| title_full | Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability |
| title_fullStr | Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability |
| title_full_unstemmed | Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability |
| title_short | Dynamic left ventricular outflow tract obstruction: underestimated cause of hypotension and hemodynamic instability |
| title_sort | dynamic left ventricular outflow tract obstruction underestimated cause of hypotension and hemodynamic instability |
| topic | dynamic left ventricular outflow tract obstruction hypotension hemodynamic instability echocardiography systolic anterior motion (SAM) |
| url | http://jultrason.pl/index.php/issues/volume-14-no-59/dynamic-left-ventricular-outflow-tract-obstruction-underestimated-cause-of-hypotension-and-hemodynamic-instability?aid=306 |
| work_keys_str_mv | AT dorotasobczyk dynamicleftventricularoutflowtractobstructionunderestimatedcauseofhypotensionandhemodynamicinstability |