- Effects of Prolonged Spaceflight on Atrial Size, Atrial Electrophysiology, and Risk of Atrial Fibrillation. [Journal Article]
- CACirc Arrhythm Electrophysiol 2018; 11(5):e005959
- CONCLUSIONS: Six months of spaceflight may be sufficient to cause transient changes in left atrial structure and atrial electrophysiology that increase the risk of AF. However, there was no definite evidence of increased supraventricular arrhythmias and no identified episodes of AF.
- Variation in cardiac markers and electrocardiographic alterations in young calves naturally infected with bovine tropical theileriosis. [Journal Article]
- TATrop Anim Health Prod 2018 Feb 17
- The present study was designed to assess the deleterious effects of bovine tropical theileriosis on the cardiovascular system and the consequent myocardial involvement in young calves. Myocardial eff...
The present study was designed to assess the deleterious effects of bovine tropical theileriosis on the cardiovascular system and the consequent myocardial involvement in young calves. Myocardial effects in parasitic diseases are often neglected. Hemolytic anemia, associated secondary hypoxia, and vasculitis are cardinal features of bovine theileriosis. In the present study, electrocardiogram (ECG) alongside serum cardiac troponin I (cTnI) and creatinine phosphokinase-myocardial band (CPK-MB) concentrations were analyzed in infected, treated, and control groups of young calves. Non-significant alterations were noticed in ECG. However, certain signs like sinus tachycardia, first-degree AV block, atrial premature complex, left atrial hypertrophy, and right atrial hypertrophy were found on consistent basis in infected calves. A significant increase in the serum concentration levels of cTnI and CPK-MB was noticed in infected calves followed by significant fall in both these biomarkers post treatment. cTnI and CPK-MB can definitely be used as myocardial markers in theileriosis-affected animals.
- Echocardiographic and electrocardiographic abnormalities in adults living with human immunodeficiency virus: a cross-sectional study in the Yaoundé Central Hospital, Cameroon. [Journal Article]
- CDCardiovasc Diagn Ther 2017; 7(6):607-615
- CONCLUSIONS: HIV infected adults have more echocardiographic and ECG abnormalities compared to non-infected adults. The ECG and echocardiographic anomalies varied, and depends on the severity of immune deficiency.
- [A preliminary study on the relationship between idiopathic arrhythmia and cardiac magnetic resonance imaging defined cardiac features in patients with straight back syndrome]. [Journal Article]
- ZXZhonghua Xin Xue Guan Bing Za Zhi 2017 Nov 24; 45(11):948-953
- Objective: To retrospectively analyze the potential correlation between cardiac magnetic resonance (CMR) imaging and clinical features and idiopathic arrhythmia in patients with s...
Objective: To retrospectively analyze the potential correlation between cardiac magnetic resonance (CMR) imaging and clinical features and idiopathic arrhythmia in patients with straight back syndrome (SBS).Methods:Patients receiving CMR imaging examination from April 2015 to March 2016 at our department (n=1 432) were screened, 76 patients met the diagnosis criteria of flat chest (anteroposterior diameter/transthoracic diameter (APD/TTD) ratio<0.37 at the T8 vertebra). After excluding 33 patients with structural heart disease, 43 SBS patients were divided into two groups: SBS without obvious morphological change in the heart (group A,n=19) and SBS with morphological change of the heart (group B,n=24). CMR images were analyzed, focusing the heart morphological changes induced by SBS. The clinical data were collected to comprehensively analyze the medical history, electrocardiogram and electrophysiological examination in order to observe the relationship between SBS induced heart morphological change and the arrhythmia type and origin.Results:There were 21 male patients in this cohort, mean age was (28.5±11.5) years (13-58 years). APD/TTD ratio was similar between the two groups (0.30±0.03 vs. 0.29±0.04,P>0.05). LVEF tended to be lower in group B than in group A ((47.48±12.77)%vs. (59.31±9.04)%,P>0.05) . In group B, there were 15 patients with left ventricular enlargement, 2 with left ventricular wall thickening, 5 with uncoordinated ventricular wall motion, 5 with tricuspid regurgitation, 3 with mitral regurgitation, 2 with myocardial fibrosis, 5 with increased trabecular and 16 with decreased left ventricular function. Direct compression sign of right ventricle (disappeared precordial fat tissue space, secondary right atria enlargement and tricuspid regurgitation) and left atria (with or without secondary left ventricular enlargement and mitral regurgitation) were evidenced in patients of group B. CMR revealed that the arrhythmia origin corresponded the compression site of the heart in 8 cases (42.1%) in group A and 13 cases (54.2%) in group B, not corresponded to the compression site in 6 patients (31.6%) in group A and in 7 patients (29.2%) in group B, not attributable in 5 patients (26.3%) in group A and 4 patients (16.7%) in group B. The percent of arrhythmia origin corresponded the compression site of the heart tended to be higher in group B as compared to group A (P>0.05).Conclusion:SBS can induce changes of cardiac morphology and cardiac function. SBS induced cardiac compression is linked with the development of arrhythmias and might be one of the reasons of arrhythmias in these patients.
- Lower cardiac index levels relate to lower cerebral blood flow in older adults. [Journal Article]
- NeurNeurology 2017 Dec 05; 89(23):2327-2334
- CONCLUSIONS: Among older adults without stroke, dementia, or heart failure, systemic blood flow correlates with cerebral CBF in the temporal lobe, independently of prevalent CVD, but not CVR.
- Acquired Heart Disease Superimposed on Congenital Heart Disease. [Case Reports]
- AJAm J Cardiol 2017 Nov 15; 120(10):1903-1904
- A 50-year-old man with a murmur since birth developed systemic arterial hypertension as an adult. He came to the hospital because of dyspnea. He had a pulmonic valve ejection click and a murmur of pu...
A 50-year-old man with a murmur since birth developed systemic arterial hypertension as an adult. He came to the hospital because of dyspnea. He had a pulmonic valve ejection click and a murmur of pulmonic stenosis. His echocardiogram showed biventricular hypertrophy, a flat ventricular septum, a D-shaped left ventricle, systolic doming of the pulmonic valve, and Doppler evidence of a 70 mm Hg peak systolic pressure gradient across the pulmonic valve and a peak right ventricular systolic pressure of 100 mm Hg. His electrocardiograms showed no evidence of the right ventricular and right atrial enlargement so evident on echocardiogram, presumably because it was obscured by the marked changes of left ventricular hypertrophy. Three years later, when he was admitted for sepsis and worsening heart failure with anasarca, the voltage changes of left ventricular hypertrophy had virtually disappeared, likely due to the large amount of fluid between the heart and the electrodes.
- Atrial septal defect in a Korean wild raccoon dog. [Case Reports]
- JVJ Vet Med Sci 2017 Oct 07; 79(10):1712-1715
- An approximately two-year-old, male 6.1 kg body weight, Korean wild raccoon dog (Nyctereutes procyonoides koreensis) was captured by the wildlife medical rescue center of Kangwon National University....
An approximately two-year-old, male 6.1 kg body weight, Korean wild raccoon dog (Nyctereutes procyonoides koreensis) was captured by the wildlife medical rescue center of Kangwon National University. Upon physical examination, the heart rate was 87 beats per min and there were no clinical signs. The hematological, and blood biochemical profiles revealed no remarkable findings; however, thoracic radiographs showed cardiac enlargement, especially in the right atrium. On electrocardiogram, sinus node dysfunction and bradyarrhythmia were revealed. Echocardiography showed a left-to-right shunting atrial septal defect. Based on these findings, this Korean wild raccoon dog was diagnosed with atrial septal defect. This is the rare case report of atrial septal defect in wildlife.
- ECG Of The Month: Mental Disturbance for 4 days. [Case Reports]
- JLJ La State Med Soc 2017 Mar-Apr; 169(2):58-59
- A family brought their 61-year-old mother to the emergency department because for 4 days she had been confused, incoherent, and somnolent. She also had dysphagia, dysarthria, diplopia, and had fallen...
A family brought their 61-year-old mother to the emergency department because for 4 days she had been confused, incoherent, and somnolent. She also had dysphagia, dysarthria, diplopia, and had fallen out of bed. She had been in the hospital 3 weeks earlier for atrial fibrillation and an exacerbation of congestive heart failure. She also carried a diagnosis of chronic obstructive pulmonary disease and used an albuterol inhaler. She was obese (BMI of 45); and had adult-onset diabetes mellitus. She had a 43 pack-year history of cigarette smoking but had recently quit. Soon after arriving in the emergency department, she had an ECG (Figure);.
- Multiple pregnancy in a primigravida with uncorrected Pentalogy of Fallot. [Case Reports]
- BCBMJ Case Rep 2017 Jan 18; 2017
- Pentalogy of Fallot is a cyanotic congenital heart disease that has guarded prognosis without surgical intervention in infancy. Women with uncorrected defects rarely survive into childbearing age and...
Pentalogy of Fallot is a cyanotic congenital heart disease that has guarded prognosis without surgical intervention in infancy. Women with uncorrected defects rarely survive into childbearing age and pregnancy in this group is associated with a high rate of perinatal loss. Physiological cardiovascular changes in pregnancy can lead to maternal haemodynamic instability with subsequent adverse cardiac sequelae with or without fetal decompensation. Optimum management and pregnancy outcomes in mother with uncorrected Pentalogy of Fallot and twin pregnancy have not been described in the literature. We describe a successful case of monochorionic diamniotic twin pregnancy in an affected woman who has not undergone surgical repair. Her pregnancy progressed without any adverse cardiopulmonary complications. Her caesarean delivery and postpartum recovery were favourable, with successful birth of two healthy babies at 35.7 weeks. This case emphasises the importance of a multidisciplinary team, especially of obstetricians with expertise in high-risk pregnancies, adult congenital heart disease cardiologists and anaesthesiologist.
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- Influence of the earliest right atrial activation site and its proximity to interatrial connections on P-wave morphology. [Journal Article]
- EEuropace 2016; 18(suppl 4):iv35-iv43
- CONCLUSIONS: The electrical contributor's site of earliest activation and intactness of posterior IACs affect PTF-V1significantly by changing LA breakthrough sites independent from LA size. This should be considered for interpretation of electrocardiographical signs of LA abnormality and LA enlargement.