Stenosis Thrombosis Ultrasound 
Dr. Smith's ECG Blog
SEPTEMBER 18, 2024
Bedside cardiac ultrasound with no obvious wall motion abnormalities. Because the pathologist determines the degree of stenosis by dividing the lumen area by the total area, the degree of stenosis will be overestimated. The angiographer uses a denominator that is too small, thereby underestimating the degree of stenosis.
Dr. Smith's ECG Blog
NOVEMBER 15, 2023
MINOCA may be due to: coronary spasm, coronary microvascular dysfunction, plaque disruption, spontaneous coronary thrombosis/emboli , and coronary dissection; myocardial disorders, including myocarditis, takotsubo cardiomyopathy, and other cardiomyopathies. There may be a chronic tight stenosis and a non-obstructed lesion that thrombosed.
Circulation
JANUARY 27, 2025
The risk of stent thrombosis is particularly increased during the first 6 months after intervention. Key exclusion criteria included <18 or >75 years of age, contraindications to anticoagulant use, or acute venous thrombosis <3 months.
Dr. Smith's ECG Blog
NOVEMBER 30, 2022
This case was provided by Spencer Schwartz, an outstanding paramedic at Hennepin EMS who is on Hennepin EMS's specialized "P3" team, a team that receives extra training in advanced procedures such as RSI, thoracostomy, vasopressors, and prehospital ultrasound. Takotsubo is a sudden event, not one with crescendo angina. Learning Points: 1.
Dr. Smith's ECG Blog
DECEMBER 19, 2023
link] A 62 year old man with a history of hypertension, type 2 diabetes mellitus, and carotid artery stenosis called 911 at 9:30 in the morning with complaint of chest pain. This is written by Willy Frick, an amazing cardiology fellow in St. He described it as "10/10" intensity, radiating across his chest from right to left.
Dr. Smith's ECG Blog
SEPTEMBER 9, 2024
The cardiologist called this 20% stenosis. Fortunately, this operator used intravascular ultrasound (IVUS). Furthermore, the operator worried about the patient's adherence to dual antiplatelet therapy, in which case she would be at risk for catastrophic stent thrombosis. Most plaque is outside the lumen!!
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
History sounds concerning for ACS (could be critical stenosis, triple vessel), but differential also includes dissection, GI bleed, etc. 2 cases of Aortic Stenosis: Diffuse Subendocardial Ischemia on the ECG. His response: “subendocardial ischemia. Anything more on history? POCUS will be helpful.” Left main? 3-vessel disease?
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