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A taquicardia ventricular bidirecional (TVB) é caracterizada pela alternância de batimento a batimento do eixo QRS no eletrocardiograma (ECG). Seu diagnóstico é incomum e a etiologia mais característica é a intoxicação digitálica (ID). Relatamos o caso clínico de paciente portador de insuficiência cardíaca de origem valvar admitido por sepse que evoluiu para TVB e óbito, associado com ID.

A taquicardia ventricular bidirecional (TVB) é caracterizada pela alternância de batimento a batimento do eixo QRS no eletrocardiograma (ECG). Seu diagnóstico é incomum e a etiologia mais característica é a intoxicação digitálica (ID). Relatamos o caso clínico de paciente portador de insuficiência cardíaca de origem valvar admitido por sepse que evoluiu para TVB e óbito, associado com ID.

A taquicardia ventricular bidirecional (TVB) é caracterizada pela alternância de batimento a batimento do eixo QRS no eletrocardiograma (ECG). Seu diagnóstico é incomum e a etiologia mais característica é a intoxicação digitálica (ID). Relatamos o caso clínico de paciente portador de insuficiência cardíaca de origem valvar admitido por sepse que evoluiu para TVB e óbito, associado com ID.

The World Health Organization (WHO) declared Sars-CoV infection and COVID-19 as a pandemic and global emergency. In addition to viral pneumonia and the severe acute respiratory syndrome (Sars), the heart is affected in some patients due to the detection of biomarkers and reported cases of myocarditis and pericarditis. Therefore, the knowledge of electrocardiogram presentation of these actual infections can guide the choice for the best treatment and can help to reduce misdiagnosis, mainly the acute myocardial infarction, which is the main differential diagnosis.

The World Health Organization (WHO) declared Sars-CoV infection and COVID-19 as a pandemic and global emergency. In addition to viral pneumonia and the severe acute respiratory syndrome (Sars), the heart is affected in some patients due to the detection of biomarkers and reported cases of myocarditis and pericarditis. Therefore, the knowledge of electrocardiogram presentation of these actual infections can guide the choice for the best treatment and can help to reduce misdiagnosis, mainly the acute myocardial infarction, which is the main differential diagnosis.

The World Health Organization (WHO) declared Sars-CoV infection and COVID-19 as a pandemic and global emergency. In addition to viral pneumonia and the severe acute respiratory syndrome (Sars), the heart is affected in some patients due to the detection of biomarkers and reported cases of myocarditis and pericarditis. Therefore, the knowledge of electrocardiogram presentation of these actual infections can guide the choice for the best treatment and can help to reduce misdiagnosis, mainly the acute myocardial infarction, which is the main differential diagnosis.

Objective: To identify the profile of patients who implanted pacemakers and their complications in a tertiary cardiology center in the state of Santa Catarina. Methods: Unicentric, observational and prospective study with 81 patients submitted to pacemaker implantation by the Cardiovascular Surgery Service. Results: Provisional pacemaker was necessary in 42 cases (51.8%) and the average time of temporary pacemaker insertion was 2.2 days. Death occurred in 3 patients (3.7%), however only 1 case (1.2%) was associated with the implant. Conclusion: The clinical characteristics and indications of the implant in the study population were similar to those found in the literature, however the number of complications was high and the length of stay of the provisional pacemaker is beyond that recommended.

A 50-year-old female patient admitted for etiological syncope investigation. A 24-hour Holter was installed where the record showed the mechanism of sudden cardiac death. Sudden bradycardia caused by paroxysmal atrioventricular block led to torsades de pointes, ventricular fibrillation and death. This case shows the importance of Holter in the chronology of arrhythmic events that lead to sudden death and highlights a poorly reported event – the occurrence of cardiac death during 24-hour Holter monitoring.

A 50-year-old female patient admitted for etiological syncope investigation. A 24-hour Holter was installed where the record showed the mechanism of sudden cardiac death. Sudden bradycardia caused by paroxysmal atrioventricular block led to torsades de pointes, ventricular fibrillation and death. This case shows the importance of Holter in the chronology of arrhythmic events that lead to sudden death and highlights a poorly reported event – the occurrence of cardiac death during 24-hour Holter monitoring.

Objective: To identify the profile of patients who implanted pacemakers and their complications in a tertiary cardiology center in the state of Santa Catarina. Methods: Unicentric, observational and prospective study with 81 patients submitted to pacemaker implantation by the Cardiovascular Surgery Service. Results: Provisional pacemaker was necessary in 42 cases (51.8%) and the average time of temporary pacemaker insertion was 2.2 days. Death occurred in 3 patients (3.7%), however only 1 case (1.2%) was associated with the implant. Conclusion: The clinical characteristics and indications of the implant in the study population were similar to those found in the literature, however the number of complications was high and the length of stay of the provisional pacemaker is beyond that recommended.

Objective: To identify the profile of patients who implanted pacemakers and their complications in a tertiary cardiology center in the state of Santa Catarina. Methods: Unicentric, observational and prospective study with 81 patients submitted to pacemaker implantation by the Cardiovascular Surgery Service. Results: Provisional pacemaker was necessary in 42 cases (51.8%) and the average time of temporary pacemaker insertion was 2.2 days. Death occurred in 3 patients (3.7%), however only 1 case (1.2%) was associated with the implant. Conclusion: The clinical characteristics and indications of the implant in the study population were similar to those found in the literature, however the number of complications was high and the length of stay of the provisional pacemaker is beyond that recommended.

A 50-year-old female patient admitted for etiological syncope investigation. A 24-hour Holter was installed where the record showed the mechanism of sudden cardiac death. Sudden bradycardia caused by paroxysmal atrioventricular block led to torsades de pointes, ventricular fibrillation and death. This case shows the importance of Holter in the chronology of arrhythmic events that lead to sudden death and highlights a poorly reported event – the occurrence of cardiac death during 24-hour Holter monitoring.

Brugada syndrome is an autosomal dominant heart disease caused by dysfunctions in the ionic channels, whose carriers present a classic electrocardiographic pattern and predisposition to malignant ventricular arrhythmias. The electrocardiogram alterations may be dynamic, spontaneous, or induced by sodium channel blocking drugs (ajmaline, procainamide, etc.). However, electrocardiographic findings that diagnose Brugada syndrome may occur even in the absence of congenital dysfunction of ionic channels, characterizing “Brugada phenocopy”, therefore the exclusion of secondary causes is fundamental for the correct diagnosis of channelopathy.

Brugada syndrome is an autosomal dominant heart disease caused by dysfunctions in the ionic channels, whose carriers present a classic electrocardiographic pattern and predisposition to malignant ventricular arrhythmias. The electrocardiogram alterations may be dynamic, spontaneous, or induced by sodium channel blocking drugs (ajmaline, procainamide, etc.). However, electrocardiographic findings that diagnose Brugada syndrome may occur even in the absence of congenital dysfunction of ionic channels, characterizing “Brugada phenocopy”, therefore the exclusion of secondary causes is fundamental for the correct diagnosis of channelopathy.

Brugada syndrome is an autosomal dominant heart disease caused by dysfunctions in the ionic channels, whose carriers present a classic electrocardiographic pattern and predisposition to malignant ventricular arrhythmias. The electrocardiogram alterations may be dynamic, spontaneous, or induced by sodium channel blocking drugs (ajmaline, procainamide, etc.). However, electrocardiographic findings that diagnose Brugada syndrome may occur even in the absence of congenital dysfunction of ionic channels, characterizing “Brugada phenocopy”, therefore the exclusion of secondary causes is fundamental for the correct diagnosis of channelopathy.

Objetivo: Determinar a incidência de fibrilação atrial no pós-operatório (FAPO) de cirurgia cardíaca, seu impacto sobre a morbimortalidade e o tempo de internação hospitalar em um centro terciário de cardiologia do estado de Santa Catarina, Brasil. Métodos: Estudo de coorte com 134 pacientes adultos submetidos à cirurgia cardíaca. Resultados: A incidência foi de 32,8%. Após análise multivariada, os pacientes que não receberam betabloqueador estiveram associados à FAPO com razão de chances risco relativo (RR) 10,73 (p < 0,001). A maior taxa de eventos cardiovasculares (acidente vascular cerebral, mortalidade e síndrome coronariana aguda) foi de 25% no grupo FAPO vs. 10% (RR 3,21; p = 0,035) o que, consequentemente, gerou tempo de internação maior nesses pacientes (19,1 vs. 12,5; p = 0,01). Conclusão: A incidência de FAPO foi elevada, ocasionou significativo aumento de morbimortalidade e tempo de internação hospitalar e consolidou o papel da terapia betabloqueadora na sua prevenção, podendo servir como base a futuras políticas de prevenção dessa intercorrência.

Objetivo: Determinar a incidência de fibrilação atrial no pós-operatório (FAPO) de cirurgia cardíaca, seu impacto sobre a morbimortalidade e o tempo de internação hospitalar em um centro terciário de cardiologia do estado de Santa Catarina, Brasil. Métodos: Estudo de coorte com 134 pacientes adultos submetidos à cirurgia cardíaca. Resultados: A incidência foi de 32,8%. Após análise multivariada, os pacientes que não receberam betabloqueador estiveram associados à FAPO com razão de chances risco relativo (RR) 10,73 (p < 0,001). A maior taxa de eventos cardiovasculares (acidente vascular cerebral, mortalidade e síndrome coronariana aguda) foi de 25% no grupo FAPO vs. 10% (RR 3,21; p = 0,035) o que, consequentemente, gerou tempo de internação maior nesses pacientes (19,1 vs. 12,5; p = 0,01). Conclusão: A incidência de FAPO foi elevada, ocasionou significativo aumento de morbimortalidade e tempo de internação hospitalar e consolidou o papel da terapia betabloqueadora na sua prevenção, podendo servir como base a futuras políticas de prevenção dessa intercorrência.

Objetivo: Determinar a incidência de fibrilação atrial no pós-operatório (FAPO) de cirurgia cardíaca, seu impacto sobre a morbimortalidade e o tempo de internação hospitalar em um centro terciário de cardiologia do estado de Santa Catarina, Brasil. Métodos: Estudo de coorte com 134 pacientes adultos submetidos à cirurgia cardíaca. Resultados: A incidência foi de 32,8%. Após análise multivariada, os pacientes que não receberam betabloqueador estiveram associados à FAPO com razão de chances risco relativo (RR) 10,73 (p < 0,001). A maior taxa de eventos cardiovasculares (acidente vascular cerebral, mortalidade e síndrome coronariana aguda) foi de 25% no grupo FAPO vs. 10% (RR 3,21; p = 0,035) o que, consequentemente, gerou tempo de internação maior nesses pacientes (19,1 vs. 12,5; p = 0,01). Conclusão: A incidência de FAPO foi elevada, ocasionou significativo aumento de morbimortalidade e tempo de internação hospitalar e consolidou o papel da terapia betabloqueadora na sua prevenção, podendo servir como base a futuras políticas de prevenção dessa intercorrência.