Sex-Specific Biatrial Volumetric Measurements Obtained with Use of Multidetector Computed Tomography in Subjects with and without Coronary Artery Disease.

Sex-Specific Biatrial Volumetric Measurements Obtained with Use of Multidetector Computed Tomography in Subjects with and without Coronary Artery Disease. Tex Heart Inst J. 2014 Jun;41(3):286-92 Authors: Budoff MJ, Pagali SR, Hamirani YS, Chen A, Cheu G, Gao Y, Li D, Mao S Abstract Atrial volumetric measurement has proven clinical implications. Advances in cardiac imaging, notably the precision enabled by multidetector computed tomography (MDCT), herald the need for new criteria of what constitutes normal volumetric measurements. With use of 64-slice MDCT, we compared the atrial volumes in healthy individuals with those in individuals with coronary artery disease. By means of manual segmentation, we measured biatrial volume in 686 participants who underwent retrospective electrocardiographic-gated MDCT angiographic evaluation. The study population included a control group of 203 persons with no cardiac abnormalities, and a study group of 483 patients with obstructive coronary artery disease. All variables were compared between men and women and between the groups. We found a significant difference in left atrial end-systolic and end-diastolic volumes between men and women in the control group (P
Source: Texas Heart Institute Journal - Category: Cardiology Authors: Tags: Tex Heart Inst J Source Type: research

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In this issue of the Seminars, Ni and colleagues report outcomes of the first series of patients treated with minimally invasive left atrial appendage excision (LAAE) and atrial fibrillation (AF) ablation for secondary prevention of thromboembolic stroke1. Although the follow up period is relatively short, the authors are to be commended for demonstrating procedural safety using video assisted thoracoscopic surgery (VATS) AF ablation and LAAE, in addition to ensuring meticulous follow up including electrocardiographic Holter monitoring and computed tomography angiography (CTA) for assessment of completeness of LAAE in this...
Source: Seminars in Thoracic and Cardiovascular Surgery - Category: Cardiovascular & Thoracic Surgery Authors: Tags: ADULT – Commentary Source Type: research
In this study, 5% of VF arrest was due to PE: V fib is initial rhythm in PE in 3 of 60 cases. On the other hand, if the presenting rhythm is PEA, then pulmonary embolism is likely.  When there is VF in PE, it is not the initial rhythm, but occurs after prolonged PEA renders the myocardium ischemic.--Another study by Courtney and Kline found that, of cases of arrest that had autopsy and found that a presenting rhythm of VF/VT had an odds ratio of 0.02 for massive pulmonary embolism as the etiology, vs 41.9 for PEA.    ===================================MY Comment by KEN ...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
AbstractBackgroundCranial accelerometry is used to detect cerebral vasospasm and concussion. We explored this technique in a cohort of code stroke patients to see whether a signature could be identified to aid in the diagnosis of large vessel occlusion (LVO) stroke.MethodsA military-grade three-axis accelerometer was affixed to a headset. Accelerometer and electrocardiogram (ECG) outputs were digitized at 1.6  kHz. We call the resulting digitized signals the “headpulse.” Three-minute recordings were performed immediately after computed tomography (CT) angiography (CTA) and/or immediately before and after a...
Source: Neurocritical Care - Category: Neurology Source Type: research
Conclusion: Intracranial artery calcification is common in patients with ischemic cerebrovascular disease and the intracranial carotid artery is most frequently affected. Intracranial arterial calcifications might be associated with imaging markers of SVD and are highly correlated with WMHs, lacunes, and CMBs. Quantification of calcification on CT provides additional information on the pathophysiology of SVD. Intracranial arterial calcification could act as a potential marker of SVD. Introduction Atherosclerosis is a systemic vascular process that is considered a major cause of cerebrovascular and cardiovascular di...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
This study was approved by the ethics committee of the medical faculty of the Ruhr University Bochum. FIGURE 1 Figure 1. Flow chart showing the selection of the study population. Results A total of 59 patients underwent emergency CCTA (Figure 2A) for suspected stroke, of which 44 received the final diagnosis ischemic stroke. There were 17 patients who had ischemic stroke or TIA and known or newly diagnosed atrial fibrillation (Table 1; mean age: 77.5 years, standard deviation: 8.4 years; 53% female). As hypothesized, intracardiac thrombi could be visualized: once in an artificially occluded left atrial appe...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
Ahmed Mohamed Elhfnawy1*, Peter U. Heuschmann2, Mirko Pham3†, Jens Volkmann1† and Felix Fluri1,4 1Department of Neurology, University Hospital Würzburg, Würzburg, Germany 2Institute of Clinical Epidemiology and Biometry, University of Würzburg, Würzburg, Germany 3Institute of Diagnostic and Interventional Neuroradiology, University Hospital of Würzburg, Würzburg, Germany 4Department of Neurology, Kantonssptial St. Gallen, St. Gallen, Switzerland Background and Purpose: Internal carotid artery stenosis (ICAS)≥70% is a leading cause of ischemic cerebrovascular event...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
I was shown this ECG with no other information:What do you think?Hint: try to see through the artifact!I answered immediately: " High lateral MI with posterior MI. OMI. " (Occlusion Myocardial Infarction)I asked, " Did the patient present with chest pain? "Here is the history:" A middle-aged male complained of about 18 hours of epigastric pain that radiated to the chest.  He also had an apparently new facial droop of equal duration.  A stroke code was called, NIH stroke scale was only 1, and attention was turned to the chest pain. "  BP was 148/83.How did I make this ECG diagnos...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
A middle-aged woman with history of hypertension presented to another hospital approximately 2 hours after onset of chest pain and shortness of breath.This ECG was recorded on arrival:What do you think?This is technically a STEMI, with 1.5 mm STE in V1 and 1.5-2.0 mm in V2. The current criteria only require 1mm in V1 and 1.5mm in V2 for a female. However, I think many practitioners might not see this as a clear STEMI, and would instead call this " borderline. " The normal QRS complex with STE and large volume underneath the T-waves in V1-V3 confirm Occlusion MI (OMI). There is not technically STD in V6 and I, how...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
A 60-something presented with hypotension, bradycardia, chest pain and back pain.She had a h/o aortic aneurysm, aortic insufficiency, peripheral vascular disease, and hypertension.  She had a mechanical aortic valve.  She was on anti-hypertensives including atenolol, and on coumadin, with an INR of 2.3. She was ill appearing.  BP was 70/49, pulse 60.A bedside echo showed good ejection fraction and normal right ventricle and no pericardial fluid. Here is the initial ECG:What do you think?This ECG actually looks like a left main occlusion (which rarely presents to the ED alive):  ST Elevation in...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
This article describes the revised criteria for certified stroke units (SU) in Germany that will apply from 1 October 2018. Due to the high level of quality only minor adjustments and specifications were necessary in many places and the majority of criteria remained unchanged. For the first time a uniform personnel quota of ≥1.75 full-time staff per monitor bed is defined, which is a better reflection of the treatment reality. The evidence-based process of acute vascular imaging using computed tomography angiography (CTA) and alternatively magnetic resonance angiography (MRA) is now defined as a minimum rate of≥20 ...
Source: Der Nervenarzt - Category: Neurology Authors: Tags: Nervenarzt Source Type: research
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