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10.1016/j.hrthm.2020.06.009 http://scihub22266oqcxt.onion/10.1016/j.hrthm.2020.06.009 32535142!7289083!32535142     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Heart+Rhythm 2020 ; 17 (9): 1434-1438 Nephropedia Template TP {{tp|p=32535142|t=2020. Behavior of the PR interval with increasing heart rate in patients with COVID-19 |pdf=|usr=}}{{32535142}} gab.com Text Behavior of the PR interval with increasing heart rate in patients with COVID-19 JO: Heart Rhythm http://www.kidney.de/pget.php?&tw=1&pmid=32535142 #FOAvip BACKGROUND: Myriad manifestations of cardiovascular involvement have been described in patients with coronavirus disease 2019 (COVID-19), but there have been no reports of COVID-19 affecting the cardiac conduction system. The PR interval on the electrocardiogram (ECG) normally shortens with increasing heart rate (HR). The case of a patient with COVID-19 manifesting Mobitz type 1 atrioventricular (AV) block that normalized as the patient's condition improved prompted us to investigate PR interval behavior in patients with COVID-19. OBJECTIVE: The purpose of this study was to characterize PR interval behavior in hospitalized patients with COVID-19 and to correlate that behavior with clinical outcomes. METHODS: This study was a cross-sectional cohort analysis of confirmed COVID-19 cases (March 26, 2020, to April 25, 2020). We reviewed pre-COVID-19 and COVID-19 ECGs to characterize AV conduction by calculating the PR interval to HR (PR:HR) slope. Clinical endpoints were death or need for endotracheal intubation. RESULTS: ECGs from 75 patients (246 pre-COVID-19 ECGs and 246 COVID-19 ECGs) were analyzed for PR:HR slope. Of these patients, 38 (50.7%) showed the expected PR interval shortening with increasing HR (negative PR:HR slope), whereas 37 (49.3%) showed either no change (8 with PR:HR slope = 0) or paradoxical PR interval prolongation (29 with positive PR:HR slope) with increasing HR. Patients without PR interval shortening were more likely to die (11/37 [29.7%] vs 3/38 [7.9%]; P = .019) or require endotracheal intubation (16/37 [43.2%] vs 8/38 [21.1%]; P = .05) compared to patients with PR interval shortening. CONCLUSION: Half of patients with COVID-19 showed abnormal PR interval behavior (paradoxical prolongation or lack of shortening) with increasing HR. This finding was associated with increased risk of death and need for endotracheal intubation. Twit Text FOAVip Behavior of the PR interval with increasing heart rate in patients with COVID-19 ????Heart Rhythm http://www.kidney.de/pget.php?&tw=1&pmid=32535142 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32535142 #FOAvip English Wikipedia <ref>{{Cite pmid|32535142}}</ref> Behavior of the PR interval with increasing heart rate in patients with COVID-19 #MMPMID32535142 Pavri BB; Kloo J; Farzad D; Riley JM Heart Rhythm 2020[Sep]; 17 (9): 1434-1438 PMID32535142show ga BACKGROUND: Myriad manifestations of cardiovascular involvement have been described in patients with coronavirus disease 2019 (COVID-19), but there have been no reports of COVID-19 affecting the cardiac conduction system. The PR interval on the electrocardiogram (ECG) normally shortens with increasing heart rate (HR). The case of a patient with COVID-19 manifesting Mobitz type 1 atrioventricular (AV) block that normalized as the patient's condition improved prompted us to investigate PR interval behavior in patients with COVID-19. OBJECTIVE: The purpose of this study was to characterize PR interval behavior in hospitalized patients with COVID-19 and to correlate that behavior with clinical outcomes. METHODS: This study was a cross-sectional cohort analysis of confirmed COVID-19 cases (March 26, 2020, to April 25, 2020). We reviewed pre-COVID-19 and COVID-19 ECGs to characterize AV conduction by calculating the PR interval to HR (PR:HR) slope. Clinical endpoints were death or need for endotracheal intubation. RESULTS: ECGs from 75 patients (246 pre-COVID-19 ECGs and 246 COVID-19 ECGs) were analyzed for PR:HR slope. Of these patients, 38 (50.7%) showed the expected PR interval shortening with increasing HR (negative PR:HR slope), whereas 37 (49.3%) showed either no change (8 with PR:HR slope = 0) or paradoxical PR interval prolongation (29 with positive PR:HR slope) with increasing HR. Patients without PR interval shortening were more likely to die (11/37 [29.7%] vs 3/38 [7.9%]; P = .019) or require endotracheal intubation (16/37 [43.2%] vs 8/38 [21.1%]; P = .05) compared to patients with PR interval shortening. CONCLUSION: Half of patients with COVID-19 showed abnormal PR interval behavior (paradoxical prolongation or lack of shortening) with increasing HR. This finding was associated with increased risk of death and need for endotracheal intubation. |*Betacoronavirus[MESH] |Aged[MESH] |Arrhythmias, Cardiac/diagnosis/*epidemiology[MESH] |COVID-19[MESH] |Coronavirus Infections/*complications/*physiopathology[MESH] |Electrocardiography[MESH] |Female[MESH] |Heart Conduction System/*physiopathology[MESH] |Heart Rate/*physiology[MESH] |Humans[MESH] |Male[MESH] |Middle Aged[MESH] |Pandemics[MESH] |Pneumonia, Viral/*complications/*physiopathology[MESH] |Retrospective Studies[MESH]Behavior of the PR interval with increasing heart rate in patients wit(epmc).pdf DeepDyve Pubget Overpricing