D-dimer/troponin ratio in the differential diagnosis of acute pulmonary embolism from non-ST elevation myocardial infarction.

D-dimer/troponin ratio in the differential diagnosis of acute pulmonary embolism from non-ST elevation myocardial infarction. Korean J Intern Med. 2019 Jan 28;: Authors: Kim JY, Kim KH, Cho JY, Sim DS, Yoon HJ, Yoon NS, Hong YJ, Park HW, Kim JH, Ahn Y, Jeong MH, Cho JG, Park JC Abstract Background/Aims: The aim of this study was to investigate useful cardiac biomarkers in the differential diagnosis of acute pulmonary embolism (APE) with troponin elevation from acute non-ST elevation myocardial infarction (NSTEMI). Methods: A total of 771 consecutive NSTEMI patients with D-dimer measurements and 90 patients with troponin-I (TnI) elevation out of 233 APE patients were enrolled, and cardiac biomarkers were compared. Results: D-dimer elevation was noted in 382 patients with NSTEMI (49.5%), and TnI elevation was noted 90 out of 233 APE patients (38.6%). Unnecessary coronary angiography was performed in 10 patients (11.1%) among 90 APE patients with TnI elevation. D-dimer was significantly elevated in APE than in NSTEMI (9.9 ± 11.6 mg/L vs. 1.8 ± 4.3 mg/L, p
Source: The Korean Journal of Internal Medicine - Category: Internal Medicine Authors: Tags: Korean J Intern Med Source Type: research

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ConclusionsSTE-aVR with multilead ST depression was associated with acutely thrombotic coronary occlusion in only 10% of patients. Routine STEMI activation in STE-aVR for emergent revascularization is not warranted, although urgent, rather than emergent, catheterization appears to be important.Previously, Knotts et al. had published different, but also convincing, data:Knotts et al. found that such ECG findings (STE in aVR) only represented left main ACS in 14% of such ECGs: Only 23% of patients with the aVR STE pattern had any LM disease (fewer if defined as  ≥ 50% stenosis). Onl...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
In conclusion, this study not only identifies a novel mutation of F2 and will contribute to the genetic diagnosis and counseling of families with thrombosis but also suggests that the site p.R541 of F2 may play a crucial role in thrombosis.
Source: Frontiers in Genetics - Category: Genetics & Stem Cells Source Type: research
The presentation of community-acquired pneumonia with abdominal pain and a lower lobe pulmonary infiltrate1 is reminiscent of the clinical presentation with abdominal pain in a 53-year-old man in whom the eventual diagnosis was pulmonary embolism.1 Computed tomography angiography showed evidence of pulmonary embolism, and also showed an infiltrate in the right lung base, thought to represent a pulmonary infarct.2 As in the reported case of community-acquired pneumonia,1 ST-segment elevation in leads V1 to V4 can also occur in pulmonary embolism,3 in the latter instance with absence of autopsy evidence of acute myocardial i...
Source: The American Journal of Medicine - Category: General Medicine Authors: Tags: Letter Source Type: research
A 40-something suffered witnessed ventricular fibrillation, had bystander CPR, but could not be defibrillated after 4 attempts.He was transferred to the ED and put on extracorporeal life support (ECLS, ECMO).A series of ED Transesophageal echos (TEE) was done over 23 minutes before an ECG was recorded.  We usually do not get ROSC before angiography in these cases, and recording the ECG is not as important as usual, because we send them all to the cath lab by our ECMO protocol.This is before another defibrillation attempt, during chest compressions:Orientation:The probe is in the esophagus, right next to the left ...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
In this study, approximately 10% of Transient STEMI had no culprit found:Early or late intervention in patients with transient ST ‐segment elevation acute coronary syndrome: Subgroup analysis of the ELISA‐3 trialOne must use all available data, including the ECG, to determine what happened.Final Diagnosis?If the troponin remained under the 99% reference, then it would be unstable angina.  If it rose above that level before falling, it would be acute myocardial injury due to ischemia, which is, by definition, acute MI.  If that is a result of plaque rupture, then it is a type I MI.  The clinical presentat...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Post by Smith and MeyersSam Ghali (https://twitter.com/EM_RESUS) just asked me (Smith):" Steve, do left main coronary artery *occlusions* (actual ones with transmural ischemia) have ST Depression or ST Elevation in aVR? "Smith and Meyers answer:First, LM occlusion is uncommon in the ED because most of these die before they can get a 12-lead recorded.But if they do present:The very common presentation of diffuse STD with reciprocal STE in aVR is NOT left main occlusion, though it might be due to subtotal LM ACS, but is much more often due to non-ACS conditions, especially demand ischemia. ...
Source: Dr. Smith's ECG Blog - Category: Cardiology Authors: Source Type: blogs
Conclusions: Embolism associated with asymptomatic carotid stenosis shows circadian variation with highest rates 4–6 h before midday. This corresponds with peak circadian incidence of stroke and other vascular complications. These and ASED Study results show that monitoring frequency, duration, and time of day are important in ES detection. Introduction Transcranial Doppler (TCD) detected microembolism in the ipsilateral middle cerebral artery (MCA) may help stratify the risk of stroke and other arterial disease complications in persons with advanced (≥60%) asymptomatic carotid stenosis. If so, this techniqu...
Source: Frontiers in Neurology - Category: Neurology Source Type: research
Authors: Blankenberg S, Wittlinger T, Nowak B, Rupprecht HJ Abstract Elevation of cardiac troponins above the 99th percentile of a healthy reference population is established as a marker for myocardial cell damage and is crucial for the diagnosis of myocardial infarction. In addition, corresponding clinical evidence of acute myocardial ischemia i.e. symptoms, changes in the electrocardiogram (ECG), wall motion abnormalities or suggestive angiographic findings are required for the diagnosis of myocardial infarction. Using modern highly sensitive assays myocardial infarction can be detected more frequently and e...
Source: Herz - Category: Cardiology Tags: Herz Source Type: research
ConclusionThe prevalence of pulmonary embolism is very low among ED patients with syncope, including those hospitalized after syncope. Although an underlying pulmonary embolism may cause syncope, clinicians should be cautious about indiscriminate investigations for pulmonary embolism.
Source: Annals of Emergency Medicine - Category: Emergency Medicine Source Type: research
Conclusion: The changes in the US-CRP at each moment evaluated from the postoperative period did not show any significance in relation to the surgical technique applied.
Source: Revista Brasileira de Cirurgia Cardiovascular - Category: Cardiovascular & Thoracic Surgery Source Type: research
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