Myocardial Ischemia: Causes & Reasons

Possible Causes for Myocardial Ischemia

ECG Signs of Myocardial Ischemia Ischemia occurs when there is a mismatch between myocardial O 2 supply and demand and can occur with either decreased O 2 supply or increased [nursingcenter.com]

Cardiac enzymes especially troponin, CK-MB/CK ratio is important in assessing the NSTEMI versus myocardial ischemia without tissue destruction. [ncbi.nlm.nih.gov]

The early release mechanism of H-FABP following myocardial ischemia (i.e. detectable within 30 minutes), means that it is a highly effective biomarker in the diagnosis and [h-fabp.com]

Coronary Atherosclerosis

For studies in which myocardial ischemia was not a requirement for enrollment, authors provided data for only those patients with ischemia determined by stress testing prior [ncbi.nlm.nih.gov]

Our attention should be focused on the microvasculature with resultant myocardial ischemia and on the myocardial cell. [onlinejacc.org]

Postmortem evaluation of IHD remains a challenge because of possible non-specific autopsy finding in some autopsy cases, especially in early myocardial ischemia. [ncbi.nlm.nih.gov]

Coronary Ischemia

Morris Karmazyn Birkhäuser, 12.03.2013 - 500 Seiten Myocardial ischemia and subsequent reperfusion of the ischemic myocardium represent complex phenomena encompassing numerous [books.google.de]

Myocardial Ischemia and the ST-T Segment Acute ischemia causes ST-T changes. [ecgwaves.com]

What Is Myocardial Ischemia? More than 6 million Americans live with myocardial ischemia, or angina. [heart-disease.emedtv.com]

Fabry Disease

This mirror-image pattern of uptakes suggested myocardial ischemia at the apical and lateral walls. [circ.ahajournals.org]

Myocardial ischemia in FD is due to endothelial dysfunction of coronary arteries and also to the increased oxygen demand of hypertrophied myocardium, being another contributor [escardio.org]

Myocardial ischemia is the result of various pathophysiological changes, but atherosclerosis is not the main one. [journals.sagepub.com]

Angina Pectoris

Medical management approaches to both the treatment and prevention of symptomatic myocardial ischemia are summarized. [ncbi.nlm.nih.gov]

All of them had persistent angina episodes on top of optimal medical therapy and evidence of significant inducible myocardial ischemia and no further revascularization options [ncbi.nlm.nih.gov]

Angina pectoris is a common disabling disorder and a clinical syndrome, caused by myocardial ischemia; an imbalance between myocardial oxygen supply and myocardial oxygen [ncbi.nlm.nih.gov]

Posterior Myocardial Infarction

New electrocardiographic criteria for posterior wall acute myocardial ischemia validated by a percutaneous transluminal coronary angioplasty model of acute myocardial infarction [ncbi.nlm.nih.gov]

Electrocardiogram: myocardial ischemia, ECG: myocardial ischaemia NOS, ECG: myocardial ischemia NOS, Myocardial Ischemia by ECG Finding, ECG myocardial ischemia, ECG: myocardial [fpnotebook.com]

In myocardial ischemia rhythm and conduction disturbances are often present. [books.google.com]

Myocardial Infarction

[…] stress-induced myocardial ischemia [40]. [dx.doi.org]

We aimed to examine the association between depressive symptoms and mental stress-induced myocardial ischemia in young survivors of an MI. [ncbi.nlm.nih.gov]

[…] patients with exercise-induced myocardial ischemia. [ncbi.nlm.nih.gov]

Hypertensive Crisis

CGRP and peptides released from cardiac C fibers have a beneficial effect in myocardial ischemia and reperfusion. [ncbi.nlm.nih.gov]

ischemia, infarction, aortic dissection, pulmonary edema, and renal deterioration, eclampsia or microangiopathic hemolytic anemia Etiologic factors Pre-existing chronic HTN [medical-dictionary.thefreedictionary.com]

ischemia/infarction, renal failure, aortic dissection, stage 3 or 4 hypertensive retinopathy Treatment Organ-targeted therapy with CCBs, Lobetalol, loop diuretics, nitroglycerin [medical-dictionary.thefreedictionary.com]

Acute Myocardial Infarction

Differential diagnosis of acute myocardial infarction Arm pain Myocardial ischemia, cervical/thoracic vertebral pain, thoracic outlet syndrome Epigastric pain Myocardial ischemia [medical-dictionary.thefreedictionary.com]

ischemia in the context of acute myocardial infarction and should be managed according to clinical practice guidelines. [ncbi.nlm.nih.gov]

His ECG showed exacerbation of myocardial ischemia with ST-segment elevation in leads I, II, III, aVL, aVF and V3-V6. [ncbi.nlm.nih.gov]

Diabetic Autonomic Neuropathy

Title Kardiovaskulárna autonómna neuropatia, ischémia myokardu a komorová dysrytmia u diabetikov 1. typu = Cardiovascular autonomous neuropathy, myocardial ischemia and ventricular [medvik.cz]

ischemia/infarction, orthostatic hypotension, exercise intolerance, perioperative instability, sudden death; 2) respiratory system: reduced ventilatory drive to hypercapnia [ncbi.nlm.nih.gov]

[…] and the pooled prevalence rate risk for silent myocardial ischemia was 1.96 [ 14 ]. [journals.plos.org]

Unstable Angina

METHODS: Study includes 127 filtered serum samples from myocardial ischemia in unstable angina patients (UA; n=65) and healthy controls (HC; n=62). [ncbi.nlm.nih.gov]

OBJECTIVE: Increased myocardial glucose metabolism occurs with the onset of myocardial ischemia and may persist even after the restoration of blood flow, termed as 'ischemic [ncbi.nlm.nih.gov]

Abstract The term unstable angina has been conventionally applied to patients with myocardial ischemia without myocardial necrosis. [ncbi.nlm.nih.gov]

Anterior Myocardial Infarction

Related topics ST segment elevations in acute myocardial infarction and ischemia STEMI (ST elevation myocardial infarction) without ST segment elevations Acute ST elevation [ecgwaves.com]

But early intervention should be considered in the presence of ongoing myocardial ischemia. [ncbi.nlm.nih.gov]

Coronary Artery Embolism

It manifests as acute myocardial ischemia or infarction, causing instability of the cardiac rhythm, which may be fatal. [ncbi.nlm.nih.gov]

ischemia, myocardial infarction, and sudden cardiac death. [journals.lww.com]

It is theoretically conceivable that myocardial infarction may occur whenever there is severe myocardial ischemia, even in the absence of a mechanical [jamanetwork.com]

Subclavian Steal Syndrome

Stress induced myocardial ischemia on echocardiography was demonstrated. [ncbi.nlm.nih.gov]

A total of 35 (94.6%) patients were discharged with a complete remission of myocardial ischemia. [ncbi.nlm.nih.gov]

Proximal stenosis in the left subclavian artery may result in recurrent myocardial ischemia in patients with a patent left internal mammary artery (LIMA), due to coronary [ncbi.nlm.nih.gov]

Variant Angina Pectoris

Abstract The present study investigates the prognostic significance of silent myocardial ischemia in variant angina. [ncbi.nlm.nih.gov]

Thus, coronary constriction can provoke myocardial ischemia not only in patients with variant angina but also in some patients with exertional angina. [ncbi.nlm.nih.gov]

ischemia in 35% of women younger than 50 years old. 18 SCAD is the most frequent cause of myocardial ischemia in pregnancy, accounting for 43% of all pregnancy-related myocardial [doi.org]

Apical Myocardial Infarction

Myocardial ischemia, also called cardiac ischemia, reduces the heart muscle's ability to pump blood. [mayoclinic.org]

The apical myocardial infarction is a subtype of the acute coronary syndrome, caused by myocardial ischemia. [symptoma.com]

Myocardial ischemia might also cause serious abnormal heart rhythms. Treatment for myocardial ischemia involves improving blood flow to the heart muscle. [mayoclinic.org]

Hypertensive Heart Disease

[…] may lead to severe myocardial ischemia. [cardiovascularultrasound.biomedcentral.com]

Selected studies were divided into those addressing coronary artery disease or myocardial ischemia and those addressing nonischemic cardiomyopathy and its sequelae. [ncbi.nlm.nih.gov]

ischemia, specifically if small vessels disease is present d) technique of choice for diagnosis of renovascular, aortic tree/branches lesions and quantification of aortic [ncbi.nlm.nih.gov]

Kounis Syndrome

[…] and worsen myocardial ischemia. [jcvaonline.com]

We report three cases of acute myocardial ischemia, which fulfill the definition for KS. [hindawi.com]

Myocardial Ischemia – Primary or Secondary? [slideshare.net]

AV Block Mobitz II

The prevelance and management of AV block in the setting of chronic myocardial ischemia remains unclear. Our case presented with stable angina pectoris. [ncbi.nlm.nih.gov]

Management Acute treatment of Mobitz type I second-degree AV block is as follows: In patients who have symptoms or who have concomitant acute myocardial ischemia or myocardial [emedicine.medscape.com]

Atropine and Transcutaneous/Transvenous Pacing Mobitz I block Admit patients who have symptoms or who have concomitant acute myocardial ischemia or myocardial infarction [emedicine.medscape.com]

Nonsustained Ventricular Tachycardia

Cardiac troponins should also be measured when acute myocardial ischemia is suspected. [symptoma.com]

Acute myocardial ischemia is an established cause of polymorphic ventricular rhythms. [heartlandcardiology.com]

ischemia. [ncbi.nlm.nih.gov]

Ischemic Cardiomyopathy

A mean of 2.9 +/- 0.9 grafts per patient were performed, with an average myocardial ischemia time of 53 +/- 23 minutes and bypass time of 104 +/- 31 minutes. [ncbi.nlm.nih.gov]

[…] or a biphasic response indicating the presence of inducible myocardial ischemia. [symptoma.com]

Clinical symptoms of acute or chronic myocardial ischemia due to congenital coronary anomalies occasionally develop during adult life. [ncbi.nlm.nih.gov]

Lateral Myocardial Infarction

Related topics ST segment elevations in acute myocardial infarction and ischemia STEMI (ST elevation myocardial infarction) without ST segment elevations Acute ST elevation [ecgwaves.com]

Subendocardial ischemia manifests as ST depression and is usually reversible. In a myocardial infarction transmural ischemia develops. [en.ecgpedia.org]

If the drug accelerates heart rate without improving coronary perfusion, myocardial ischemia will be even more pronounced 如果此药只加快心率而不改善冠脉灌注，心肌缺血就会更加显著。 [hujiang.com]

Acute Atrial Infarction

ischemia. [books.google.com]

Subendocardial ischemia manifests as ST depression and is usually reversible. In a myocardial infarction transmural ischemia develops. [en.ecgpedia.org]

AV Block Mobitz I

Reversible causes of slowed conduction such as myocardial ischemia, increased vagal tone, and medications should be excluded. [medilib.ir]

Cardiogenic Shock

The leaflet tethering was triggered by transient myocardial ischemia around the anterolateral papillary muscle, which could have been caused by coronary spasm and/or microvascular [ncbi.nlm.nih.gov]

The raised heart rate and contractility increases myocardial oxygen demand, further worsening myocardial ischemia. [www1.cgmh.org.tw]

The elevated heart rate and contractility increases myocardial oxygen demand, further worsening myocardial ischemia. [emedicine.com]

Diffuse Intraventricular Block

Left posterior fascicular block (LPFB) Lateral myocardial infarction Right ventricular hypertrophy (RVH) Acute lung disease (e.g. [lifeinthefastlane.com]

Inverted T waves Ischemia: Myocardial ischemia is a common cause of inverted T waves. [clinicaladvisor.com]

Electrical alternans can also be seen in myocardial ischemia, acute pulmonary embolism, and tachyarrhythmias PR segment depression (this can also be observed in an atrial [en.ecgpedia.org]

Hypothermia due to Anesthesia

Intraoperative hypothermia can lead to serious clinical complications such as, myocardial ischemia, coagulopathy, immunosuppression, and surgical wound infection. [clinicaltrials.gov]

Ischemia 337 Diagnosis and Management 357 Chapter 21 Transesophageal Echocardiography for Trauma and Critical Care 381 Chapter 22 Cardiopulmonary Mechanical Assist Devices [books.google.com]

[…] when blood flow to the heart muscle is decreased, ‘myocardial ischemia’. [qedscientific.com]

Autonomic Neuropathy

ischemia. [ncbi.nlm.nih.gov]

Patients with CAN often experience incidence of asymptomatic (silent) ischemia, myocardial infarction with a decreased likelihood of survival after myocardial infarction. [autonomicdysfunction.com]

Low-Cardiac-Output Syndrome

Although these agents may increase cardiac output, they also heighten the risk of atrial and ventricular arrhythmias, and they may exacerbate myocardial ischemia by increasing [nejm.org]

Several studies have proposed the essential role of ROS in the pathogenesis of myocardial ischemia-reperfusion injury [10, 11]. [hindawi.com]

ischemia). [cancertherapyadvisor.com]

Heat Stroke

Definition (MSH) A condition caused by the failure of body to dissipate heat in an excessively hot environment or during PHYSICAL EXERTION in a hot environment. Contrast to HEAT EXHAUSTION, the body temperature in heat stroke patient is dangerously high with red, hot skin accompanied by DELUSIONS; CONVULSIONS; or[…] [fpnotebook.com]