Stroke: Vascular and Interventional Neurology

NOVEMBER 9, 2023

3% sodium alginate solution was cast into a stenosis mold and crosslinked in a 40% calcium chloride. After angioplasty (Gateway PTA Balloon Catheter 3.5x20mm, Boston Scientific) and stenting (Wingspan 2.5mmx15mm, Stryker) were performed the residual stenosis was <10% (Figure 1).

Stenosis 40

Stenosis Angioplasty Anatomy Plaque 40

DAIC

MAY 8, 2024

6 This novel study marks a significant milestone in the field, evaluating the effectiveness of FFR CT in detecting ischemia-producing coronary stenosis in patients with severe PAD. 5 Revascularization to improve blood flow to the heart has been shown to reduce mortality in stable chest pain patients.

Coronary Artery Disease 111

Coronary Artery Disease Chest Pain Ischemia Myocardial Infarction 111

All About Cardiovascular System and Disorders

APRIL 21, 2024

Coronary angiography gives a visual impression about the severity of the stenosis. But it need not imply the actual functional significance of the stenosis in terms of flow physiology. A downside of the study was that it had included lesions of 50 to 79% stenosis also. identified physiologically significant stenosis.

Myocardial Infarction 52

Myocardial Infarction Stents Stent Coronary Artery Disease 52

Dr. S. Venkatesan MD

JUNE 16, 2024

Like hemodynamics of blood , an “electro-dynamic” flow cycle exists that is critically important both in physiology and pathology. Now in modern electro-physiology, it is time to teach young cardiology fellows a new rule of thumb, always look for the (mid )diastolic electrical flow in any scar-induced VT.

Ablation 52

Ablation Physiology Technology Bicuspid/Mitral 52

Dr. S. Venkatesan MD

FEBRUARY 9, 2024

Flow is physiology. Sub physiological valve destruction very much possible without affecting gradient. As a cardiologist, very soon we will be allowed legally to choose TAVI even in more younger , low risk cohort of Aortic stenosis without co-morbid conditions. It was not mandatory. Did TEE/CT follow up imaging done ?

Aortic valve 52

Aortic valve Aortic Academic Physiology 52

All About Cardiovascular System and Disorders

APRIL 1, 2024

Graft material has the disadvantage that it will not grow as the baby grows and can lead to supravalvar pulmonary stenosis later, one of the delayed complications of arterial switch. This is diagrammatic representation of stenosis of pulmonary artery at the site where it has been repaired.

Pulmonary 52

Pulmonary Stenosis Anatomy Physiology 52

Stroke Journal

FEBRUARY 1, 2024

Patient-specific blood flow simulations using physiology-informed boundary conditions calculated stenotic pressure ratios for both the patient’s acute and a population-based healthy scenario. Mean±standard deviation of stenosis degree (SD) 55±14% for patients across each cohort was A) 50±11%, B) 70±9%, C) 70%.

Stenosis 40

Stenosis Physiology Stroke Strokes 40

Dr. Smith's ECG Blog

NOVEMBER 19, 2016

A transthoracic echocardiogram showed an LV EF of less than 15%, critically severe aortic stenosis , severe LVH , and a small LV cavity. The aortic valve in this example also had critical stenosis by Doppler The patient continued to be hemodynamically unstable with poor cardiac output and very high LV filling pressures.

Ischemia 40

Ischemia Cardiogenic Shock Aortic Stenosis 40

Open Heart

MARCH 21, 2022

Sensitivity analysis was done by cardiac risk factors, degree of stenosis and image quality. Future research is required to evaluate the physiological relevance and prognostic value of FFR CT. Intraclass correlation coefficient (ICC) and Bland-Altman analysis were used to evaluate interoperator variability effect in FFR CT estimates.

Plaque 40

Plaque Physiology Stenosis Risk Factors 40

Dr. Smith's ECG Blog

JANUARY 5, 2024

The LAD has diffuse disease with a few areas of moderate stenosis but no flow-limiting lesions. Additional findings: No ST elevation." Again, the spine is off the screen to the left, and the heart is to the right of it. Here we see the LAD , diagonal branches , and the distal LCx. From angiography, it is not clear what the culprit is.

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Angina Plaque Document Stents 120

Stroke: Vascular and Interventional Neurology

MARCH 6, 2024

BACKGROUNDHypertension is often codiagnosed in patients with moyamoya disease (MMD), a progressive intracranial steno‐occlusive vasculopathy; this has principally been attributed to renal artery stenosis (up to 10%).

Hypertension 40

Hypertension Blood Pressure Pediatrics Kidney Disease 40

Dr. Smith's ECG Blog

JUNE 5, 2023

Here is the angiogram: --Culprit is 100% stenosis in the proximal RCA. (It Then the ED doc would be dependent on that first ECG. Initial troponin was: 3 ng/L We showed that the first troponin in acute STEMI is often negative in at least 27%. It must have re-occluded between the ED and the cath lab) --Lesion was stented.

Chest Pain 96

Chest Pain STEMI Physiology Stents 96

Stroke: Vascular and Interventional Neurology

NOVEMBER 9, 2023

We present this case as evidence of a similar angiogenic physiologic response in humans to minimize the microvascular ischemic injury from chronic cocaine use.

Physiology 40

Physiology Ischemia Stenosis Stroke 40

EMS 12-Lead

AUGUST 22, 2022

The combination of prolonged QT and deep T wave inversion throughout the precordium is typical of Takotsubo syndrome, or Stress Cardiomyopathy – which can occur in the context of a physiologically distressed ICU patient, further compromising their hemodynamics. The coronary angiogram revealed no critical stenosis, or acute plaque ulceration.

Tachycardia 52

Tachycardia Cardiomyopathy Electrophysiology ICU 52

Dr. Smith's ECG Blog

FEBRUARY 12, 2023

That condition is tricuspid stenosis, which is rare. PEARL #3: There is a physiologic reason why pulmonary hypertension from advanced RVH may result in a qR pattern in lead V1 ( Figure-2 ). RAA ( Right Atrial Abnormality ): The tall, peaked and pointed P wave in each of the inferior leads ( ≥2.5

Pulmonary 40

Pulmonary Chest Pain Hypertension Tricuspid 40

Dr. Smith's ECG Blog

OCTOBER 7, 2019

He was taken to the cath lab and underwent emergent intervention: Thrombotic stenosis of the proximal RCA (95% with evidence of plaque rupture) is the culprit for the patient's inferoposterior STEMI. Before transport, a final ECG was recorded: There is, again, inferior reperfusion, but persistent marked anterior STE.

Bradycardia 40

Bradycardia Cardiogenic Shock STEMI Ischemia 40

Dr. Smith's ECG Blog

APRIL 8, 2015

Aortic Dissection, Valvular (especially Aortic Stenosis), Tamponade. heart auscultation (aortic stenosis); c. Of the 67 patients who underwent targeted tests, suspected diagnoses were confirmed in 49 (73%) patients: aortic stenosis (n = 8, 1%), pulmonary embolism (n = 8, 1%), seizures/stroke (n = 30, 5%), and other diseases (n = 3).

Arrhythmia 52

Arrhythmia Outcomes Chest Pain Risk Factors 52

Frontiers in Cardiovascular Medicine

JANUARY 8, 2025

Aortic stenosis (AS) was historically considered a disease of the left side of the heart, with the main pathophysiological impact being predominantly on the left ventricle (LV). This review will summarise the features of normal RV physiology and the mechanisms responsible for RV impairment in AS.

Aortic valve 52

Aortic valve Aortic Stenosis Physiology 52

Heart BMJ

JANUARY 13, 2025

A comprehensive physiological assessment was performed using both a thermodilution-based diagnostic guidewire and intracoronary acetylcholine provocation testing. Angiograms were examined for luminal stenosis in each segment of the SYNTAX coronary model. Angiographic analyses were performed blind to coronary physiology findings.

Plaque 52

Plaque Coronary Artery Disease Angina Physiology 52

DAIC

OCTOBER 29, 2024

The FFRangio System obtains physiologic information from routine angiograms, eliminating the need for drug stimulation and invasive pressure wires. The PROVISION Study is the first Japanese prospective RCT comparing the outcomes of an angio-based physiology technology in comparison to invasive wire-based physiology.

Technology 52

Technology Physiology Coronary Artery Disease Hospital 52

Dr. S. Venkatesan MD

APRIL 3, 2025

Hemodynanmic of normal delivery Natural delivery involves the physiological stress of labor, which includes increased cardiac output, blood pressure fluctuations, and oxygen demand, peaking at 50-80% above baseline during contractions and pushing. In women with significant heart disease, the physiological demands of labor (e.g.,

Heart Disease 40

Heart Disease Blood Pressure Heart Failure Aortic 40