scholarly journals An Unusual Case of Non-Reentrant Atrioventricular Nodal Tachycardia

2022 ◽  
Author(s):  
Craig W. Raphael ◽  
Behzad Pavri
Keyword(s):  
Rare Case ◽  
Unusual Case ◽  
P Wave ◽  
Reentrant Tachycardia ◽  
Surface Ecg ◽  
Atrial Electrogram

Although uncommonly encountered, dual atrioventricular nodal non-reentrant tachycardia (DAVNNRT) is a well described arrhythmia that can manifest in patients with dual atrioventricular nodal pathways physiology. This arrhythmia is characterized on ECG by a single P wave followed by two conducted QRS complexes, and on intracardiac EGMs by a single atrial electrogram followed by two separate His deflections and ventricular electrograms. Our case demonstrates a rare case of “triple atrioventricular non-reentrant tachycardia” in which a patient was found to have 3 distinct AV nodal pathways and multiple “triple fire responses”, both on surface ECG and intracardiac electrograms.

Advanced interatrial block precedes atrial fibrillation and stroke. The prospective interatrial Block And Yearly EventS (BAYES) registry

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
M Martinez-Selles ◽  
R Elosua ◽  
M Ibarrola ◽  
M De Andres ◽  
P Diez-Villanueva ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Heart Disease ◽  
Sinus Rhythm ◽  
Structural Heart Disease ◽  
P Wave ◽  
Wave Duration ◽  
P Wave Duration ◽  
Previous Diagnosis ◽  
Surface Ecg ◽  
Interatrial Block

Abstract Background Advanced interatrial block (IAB), prolonged and bimodal P waves in surface ECG inferior leads, is an unrecognized surrogate of atrial dysfunction and a trigger of atrial dysrhythmias, mainly atrial fibrillation (AF). Our aim was to prospectively assess whether advanced IAB in sinus rhythm precedes AF and stroke in elderly outpatients with structural heart disease, a group not previously studied. Methods Prospective observational registry that included outpatients aged ≥70 years with structural heart disease and no previous diagnosis of AF. Patients were divided into three groups according to P-wave characteristics. Results Among 556 individuals, 223 had normal P-wave (40.1%), 196 partial IAB (35.3%), and 137 advanced IAB (24.6%). After a median follow-up of 694 days; 93 patients (16.7%) developed AF, 30 stroke (5.4%), and 34 died (6.1%). Advanced IAB was independently associated with AF (hazard ratio [HR] 2.9, 95% confidence interval [CI] 1.7–5.1, p<0.001), stroke (HR 3.8, 95% CI 1.4–10.7, p=0.010), and AF/stroke (HR 2.6, 95% CI 1.5–4.4, p=0.001). P-wave duration (ms) was independently associated with AF (HR 1.05, 95% CI 1.03–1.07, p<0.001), AF/stroke (HR 1.04, 95% CI 1.02–1.06, p<0.001), and mortality (HR 1.04, 95% CI 1.00–1.08, p=0.021). Conclusions The presence of advanced IAB in sinus rhythm is a risk factor for AF and stroke in an elderly population with structural heart disease and no previous diagnosis of AF. P-wave duration was also associated with all-cause mortality. Figure. Age- and sex-adjusted linear and non-linear association between P-wave duration (msec) and atrial fibrillation (A), stroke (B), and atrial fibrillation or stroke (C) risk. Results of a generalized additive model with spline smoothing functions and 4 degrees of freedom. Figure 1. Kaplan-Meyer curves of survival free of atrial fibrillation (A), stroke (B) and atrial fibrillation or stroke (C) in patients with normal P-wave, partial interatrial block (IAB) and advanced IAB. Funding Acknowledgement Type of funding source: None

scholarly journals Interatrial block is related to atrial dysfunction in hypertensive subjects

2021 ◽  
Vol 22 (Supplement_1) ◽  
Author(s):  
L Tirapu Sola ◽  
F Loncaric ◽  
M Mimbrero ◽  
LG Mendieta ◽  
L Nunno ◽  
...  
Keyword(s):  
Global Longitudinal Strain ◽  
Female Gender ◽  
Left Ventricular ◽  
P Wave ◽  
P Value ◽  
Atrial Remodeling ◽  
Maximal Volume ◽  
Surface Ecg ◽  
Interatrial Block ◽  
And Function

Abstract Funding Acknowledgements Type of funding sources: Public grant(s) – National budget only. Main funding source(s): La Marató TV3 Background Interatrial block (IAB), a delay of conduction of the sinus stimulus from right to left atria (LA), is defined as surface ECG P-wave duration ≥120 ms. Arterial hypertension (AH) and IAB have been related to development of atrial fibrillation. Aim To investigate the IAB prevalence in a cohort of AH patients and relate it to LA function. Methods 162 patients with well-regulated AT were included. 12-lead ECG were performed and analysed with a digital caliper. 2D and 3D echocardiography were performed, and LA function assessed with speckle-tracking deformation imaging.  Results The median age was 56 ± 6 years, 54% were males. Average duration of AH was 10 ± 6 years. IAB was seen in 25% of AH patients.  The comparison between groups is shown in Table 1. There were no differences in demographic characteristics,  QRS complex duration (p = 0.179) or left ventricular (LV) size and function between subgroups. LA was enlarged in IAB patients, which was coupled with impairment of the LA reservoir strain.  Conclusion Our results show considerable prevalence of IAB in AH patients. The demonstrated LA enlargement and function impairment is not associated with LV dysfunction, therefore suggesting an independent role of IAB in atrial remodeling. Table 1 Interatrial block P value Yes (n= 40) No (n= 142) Age 59 (54-62) 57 (53-61) 0.157 Female gender 16 (40%) 58 (48%) 0.467 Duration of Hypertension (years) 10 (6-12) 8 (5-15) 0.421 Systolic blood pressure (mmHg) 136 (125-150) 136 (127-147) 0.799 Diabetes 3 (8%) 16 (13%) 0.410 LVEDV (mL) 73 (63-91) 71 (57-87) 0.424 E/A 0.98 (0.84-1.25) 0.94 (0.79-1.11) 0.230 E/e’ 7.0 (4.9-8.9) 6.6 (5.2-8.4) 0.779 LVEF (%) 63 ± 7 64 ± 6 0.864 LV global longitudinal strain (%) 21.22 ± 2.63 21.19 ± 2.30 0.932 3D LA maximal volume (mL/m2) 36 (30-39) 30 (26-37) 0.028 3D LA minimal volume (mL/m2) 16 (12-18) 14 (11-17) 0.050 LA reservoir strain (%) 27.64 (24.90-31.23) 29.55 (26.17-32.81) 0.032 LA conduit strain (%) 13.91 (10.71-15.47) 14.37 (11.75-16.72) 0.192 LA contractile strain (%) 14.46 (11.86-16.59) 15.52 (13.66-16.96) 0.079 LVEDV Left Ventricular End Dyastolic Volume

A rare case of toxocariasis presenting with hypereosinophilic pericardial effusion and mycotic aneurysm

2021 ◽  
pp. 004947552110343
Author(s):  
Sapna Sandal ◽  
Gopal Krishnan ◽  
Ashish Sharma ◽  
Javed Ismail ◽  
Jaivinder Yadav
Keyword(s):  
Pericardial Effusion ◽  
Rare Case ◽  
Mycotic Aneurysm ◽  
Unusual Case ◽  
Paediatric Population ◽  
Parasitic Infections ◽  
Intermittent Fever ◽  
Tropical Countries

Parasitic infections are the leading cause of hypereosinophilia in the paediatric population in tropical countries. We report an unusual case of Toxocara infection in an eight-year-old boy who presented with intermittent fever, hypereosinophilia complicated by massive pericardial effusion and a mycotic aneurysm. This child received treatment with four weeks of albendazole and steroids.

scholarly journals A rare case of unilateral postaxial duplicated foot in a developmentally normal child

2017 ◽  
Vol 25 (1) ◽  
pp. 230949901668498 ◽  
Author(s):  
Haniza Sahdi ◽  
Chan Wai Hoong ◽  
Ahmad Hata Rasit ◽  
Fredy Arianto ◽  
Lau Kiew Siong ◽  
...  
Keyword(s):  
Popliteal Artery ◽  
Normal Child ◽  
Rare Case ◽  
Unusual Case ◽  
Organ System ◽  
Lateral Aspect ◽  
Posterior Branch ◽  
Rare Congenital Disorder ◽  
Definitive Surgery ◽  
Radiological Studies

Diplopodia, being a rare congenital disorder, is infrequently discussed in published texts. Most reported cases have accounted the involvement of duplicated preaxial digits with other associated organ system and physical deformities. Here, we present an unusual case of isolated diplopodia involving postaxial toes in a child with no other organ and physical abnormalities. Radiological studies revealed a set of 10-digit-duplicated foot over the lateral aspect of the native foot, complete with phalanges and its corresponding metatarsals as well as tarsals, supplied by an anomalous posterior branch of the popliteal artery. Definitive surgery was performed just before the child was learning to walk.

A rare case of atrioventricular extrasystole due to myocarditidis produetivae instilaris and congenital functional stenosis of the left venous opening

2021 ◽  
Vol 20 (1) ◽  
pp. 30-36
Author(s):  
V. N. Korovkina ◽  
V. A. Vasilyeva
Keyword(s):  
Rare Case ◽  
Unusual Case

Among the cardiological material of our Clinic, we encountered the following completely unusual case, which we had the opportunity to observe.

scholarly journals Bilateral Sturge Weber Syndrome- a rare case report

2013 ◽  
Vol 5 (1) ◽  
pp. 129-132 ◽  
Author(s):  
P Singh ◽  
S Singh
Keyword(s):  
Case Report ◽  
Rare Case ◽  
Unusual Case ◽  
The Other ◽  
Advanced Stage ◽  
Weber Syndrome ◽  
Rare Case Report ◽  
The Face ◽  
Bilateral Condition ◽  
Sturge Weber Syndrome

Background: Sturge-Weber syndrome is a rare congenital neuro- oculo- cutaneous disorder. Objective: To report a very rare unusual case of bilateral manifestation of Sturge Weber syndrome. Case: We report an unusual case of a 17-year-old female with advanced stage of bilateral glaucoma associated with facial nevus extending to the other half of the face as well and bilateral intracranial calcification. Conclusion: Sturge -Weber syndrome can manifest as a bilateral condition. Nepal J Ophthalmol 2013; 5(9):129-132 DOI: http://dx.doi.org/10.3126/nepjoph.v5i1.7841

scholarly journals Isolated hydatid cyst of thyroid: An unusual case

Ultrasound ◽  
2018 ◽  
Vol 26 (4) ◽  
pp. 251-253
Author(s):  
Sonay Aydin ◽  
Cihat Tek ◽  
Fatma Dilek Gokharman ◽  
Erdem Fatihoglu ◽  
Pinar Nercis Kosar
Keyword(s):  
Rare Case ◽  
Unusual Case ◽  
Definitive Diagnosis ◽  
Cystic Disease ◽  
Parasitic Infestation ◽  
Intermediate Hosts ◽  
Laboratory Findings ◽  
Hydatic Cyst ◽  
Antiparasitic Drugs ◽  
Animal Feces

Introduction Hydatid cystic disease is a parasitic infestation that is mostly caused by Echinococcus granulosus, which is common in sheep-rearing areas of the Mediterranean, Middle East, Australia, New Zealand, South Africa, and South America. Canines are the definitive hosts, and herbivores (e.g. sheep, horses, deer) or humans are intermediate hosts. Ingested eggs from animal feces hatch in the gut and release oncospheres (immature forms of the parasite enclosed in an embryonic envelope). Case report A very rare case of isolated, thyroidal, hydatic cyst is presented. Conclusion Non-vascular cysts may be seen on ultrasonographic examination that are not specific for hydatid disease. Clinical and laboratory findings are therefore important. Definitive diagnosis is based on histopathological findings. Treatment is surgical and antiparasitic drugs are required after surgery.

Unusual Case of Sclerosing Angiomatoid Nodular Transformation of the Spleen in an Adolescent Patient: Case Report and Literature Review

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Abboud B ◽  
◽  
Honein K ◽  
Aidibi A ◽  
Yared F ◽  
...  
Keyword(s):  
Rare Case ◽  
Unusual Case ◽  
Benign Lesion ◽  
Relevant Literature ◽  
Clinical Suspicion ◽  
Radiographic Examination ◽  
Patient Case ◽  
Sclerosing Angiomatoid Nodular Transformation ◽  
High Clinical Suspicion ◽  
Red Pulp

Sclerosing Angiomatoid Nodular Transformation (SANT) is a rare and benign lesion arising from the red pulp of the spleen, with an unknown etiopathogenesis. These tumors are usually asymptomatic and are found incidentally on radiographic examination. Therefore, high clinical suspicion is of great importance for the diagnosis. Splenectomy provides complete cure, and no recurrence and/or malignant transformation was reported to date. In this study, a rare case of SANT was reported in aadolescent male, and was discussed with the relevant literature.

Automatic Quantification of P-Wave Morphological Features

2008 ◽  
pp. 134-140
Author(s):  
Federica Censi ◽  
Giovanni Calcagnini ◽  
Eugenio Mattei ◽  
Michele Triventi ◽  
Pietro Bartolini
Keyword(s):  
Cardiac Rhythm ◽  
P Wave ◽  
Automatic Quantification ◽  
Physician Visits ◽  
Cerebrovascular Events ◽  
Surface Ecg ◽  
Cardiac Rhythm Disturbance ◽  
Life Threatening ◽  
Predisposing Conditions

Atrial fibrillation (AF) is the most frequently occurring sustained cardiac rhythm disturbance (Wolf, Mitchell, Baker, Kannel, & D’Agostino, 1998). Although relatively easy to diagnose by analysis of the surface ECG, AF has modalities, mechanisms, and predisposing conditions that still remain poorly understood. AF is not a direct life-threatening arrhythmia. However, because of the associated strong symptomatology, it frequently results in hospitalisation, physician visits, and drug therapy, hereby limiting the physical and social activities of many patients. It not only affects the quality of life, but it also increases the likelihood of prothrombotic effects and the risk for mortality because of cerebrovascular events or progressive ventricular dysfunction (Wolf et al., 1998).

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