{"id":427,"date":"2026-02-28T08:18:43","date_gmt":"2026-02-28T08:18:43","guid":{"rendered":"https:\/\/heartcareforyou.in\/blog\/stemi-definition-clinical-context-and-cardiology-overview\/"},"modified":"2026-02-28T08:18:43","modified_gmt":"2026-02-28T08:18:43","slug":"stemi-definition-clinical-context-and-cardiology-overview","status":"publish","type":"post","link":"https:\/\/heartcareforyou.in\/blog\/stemi-definition-clinical-context-and-cardiology-overview\/","title":{"rendered":"STEMI: Definition, Clinical Context, and Cardiology Overview"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">STEMI Introduction (What it is)<\/h2>\n\n\n\n<p>STEMI stands for ST-elevation myocardial infarction.<br\/>\nIt is an acute cardiac condition caused by sudden loss of blood flow to part of the heart muscle.<br\/>\nIt belongs to the broader category of acute coronary syndromes (ACS).<br\/>\nIt is commonly encountered in emergency cardiology, prehospital care, and cardiac catheterization labs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why STEMI matters in cardiology (Clinical relevance)<\/h2>\n\n\n\n<p>STEMI is a core diagnosis in cardiology because it represents a time-sensitive form of heart attack in which a coronary artery is usually abruptly occluded. When blood flow is interrupted, myocardium (heart muscle) becomes ischemic and can progress to irreversible infarction, with downstream effects on contractile function, electrical stability, and hemodynamics.<\/p>\n\n\n\n<p>For learners, STEMI is clinically important because it connects foundational concepts\u2014coronary anatomy, myocardial oxygen supply-demand balance, electrocardiogram (ECG) interpretation, and shock physiology\u2014into a single high-stakes scenario. It also highlights structured decision-making: rapid recognition on ECG, identification of the likely culprit artery, and coordination of reperfusion (restoring blood flow) while managing complications.<\/p>\n\n\n\n<p>STEMI also matters as a framework for risk stratification and longitudinal care. The acute event can lead to heart failure, arrhythmias, and mechanical complications, and it often marks the beginning of long-term secondary prevention, cardiac rehabilitation, and careful follow-up to reduce recurrent events. Specific practices vary by clinician and case, but the overall care pathway is a cornerstone of modern cardiovascular medicine.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Classification \/ types \/ variants<\/h2>\n\n\n\n<p>STEMI is typically classified by <strong>ECG territory<\/strong> (which often correlates with the infarct location and culprit coronary artery) and by <strong>clinical context<\/strong>.<\/p>\n\n\n\n<p>Common territory-based patterns include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Anterior (anteroseptal\/anterolateral) STEMI<\/strong><\/li>\n<li>Often associated with the left anterior descending (LAD) artery.<\/li>\n<li>\n<p>Frequently carries substantial risk because a larger myocardial territory may be involved.<\/p>\n<\/li>\n<li>\n<p><strong>Inferior STEMI<\/strong><\/p>\n<\/li>\n<li>Often associated with the right coronary artery (RCA) or, in some anatomies, the left circumflex (LCx) artery.<\/li>\n<li>\n<p>May be accompanied by conduction disturbances due to atrioventricular (AV) nodal involvement.<\/p>\n<\/li>\n<li>\n<p><strong>Lateral STEMI<\/strong><\/p>\n<\/li>\n<li>Often associated with the LCx or diagonal\/obtuse marginal branches.<\/li>\n<li>\n<p>Can overlap with anterior or inferior patterns depending on coronary anatomy.<\/p>\n<\/li>\n<li>\n<p><strong>Posterior myocardial infarction (often a \u201cSTEMI equivalent\u201d)<\/strong><\/p>\n<\/li>\n<li>Classic STEMI criteria may be less obvious on a standard ECG.<\/li>\n<li>\n<p>Clues may appear as reciprocal changes in anterior leads; additional posterior leads can help.<\/p>\n<\/li>\n<li>\n<p><strong>Right ventricular infarction (often alongside inferior STEMI)<\/strong><\/p>\n<\/li>\n<li>May influence hemodynamics and fluid responsiveness.<\/li>\n<li>Right-sided ECG leads can support recognition.<\/li>\n<\/ul>\n\n\n\n<p>Clinical-context variants include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Spontaneous STEMI due to atherosclerotic plaque rupture with thrombosis<\/strong><\/li>\n<li>\n<p>A common mechanism in many settings.<\/p>\n<\/li>\n<li>\n<p><strong>STEMI in special populations<\/strong><\/p>\n<\/li>\n<li>Examples include patients with diabetes (who may have atypical symptoms) or older adults (who may present with dyspnea or weakness).<\/li>\n<\/ul>\n\n\n\n<p>Not every scenario with ST elevation is due to coronary occlusion; STEMI is a diagnosis that integrates ECG findings with clinical context and biomarker evidence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Relevant anatomy &amp; physiology<\/h2>\n\n\n\n<p>Understanding STEMI begins with coronary circulation and myocardial energetics.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Coronary arteries and myocardial territories<\/strong><\/li>\n<li>The left main coronary artery divides into the <strong>LAD<\/strong> and <strong>LCx<\/strong>.<\/li>\n<li>The <strong>RCA<\/strong> supplies the right ventricle and, in many people, the inferior wall and the AV node (right-dominant circulation).<\/li>\n<li>\n<p>Coronary dominance (which artery gives rise to the posterior descending artery) influences infarct patterns and complications.<\/p>\n<\/li>\n<li>\n<p><strong>Myocardial oxygen supply and demand<\/strong><\/p>\n<\/li>\n<li>The heart extracts a high fraction of oxygen at baseline, so increased demand is often met by increased coronary blood flow rather than higher extraction.<\/li>\n<li>\n<p>Coronary perfusion predominantly occurs during diastole; tachycardia shortens diastole and can worsen ischemia.<\/p>\n<\/li>\n<li>\n<p><strong>Ventricular function and hemodynamics<\/strong><\/p>\n<\/li>\n<li>Left ventricular systolic dysfunction reduces forward flow and can precipitate pulmonary congestion or cardiogenic shock.<\/li>\n<li>\n<p>Right ventricular infarction can reduce preload to the left ventricle, lowering cardiac output despite relatively preserved left-sided contractility.<\/p>\n<\/li>\n<li>\n<p><strong>Conduction system<\/strong><\/p>\n<\/li>\n<li>Ischemia can destabilize cardiomyocyte membrane potentials and cause arrhythmias.<\/li>\n<li>Inferior infarcts may affect the sinoatrial (SA) or AV nodes more often; anterior infarcts may affect the His-Purkinje system and lead to broader conduction disease.<\/li>\n<\/ul>\n\n\n\n<p>These anatomic and physiologic links help explain why STEMI can present with chest pain, dyspnea, hypotension, bradycardia, tachyarrhythmias, and signs of heart failure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pathophysiology or mechanism<\/h2>\n\n\n\n<p>The classic mechanism of STEMI involves <strong>acute coronary artery occlusion<\/strong> leading to <strong>transmural ischemia<\/strong> (ischemia extending through much of the ventricular wall thickness), which is reflected on ECG as ST-segment elevation.<\/p>\n\n\n\n<p>A common sequence is:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\n<p><strong>Atherosclerotic plaque disruption<\/strong>\n   &#8211; Plaque rupture or erosion exposes thrombogenic material.<\/p>\n<\/li>\n<li>\n<p><strong>Platelet activation and thrombus formation<\/strong>\n   &#8211; Platelets adhere, activate, and aggregate.\n   &#8211; Coagulation pathways generate fibrin, stabilizing the thrombus.<\/p>\n<\/li>\n<li>\n<p><strong>Abrupt reduction or cessation of coronary blood flow<\/strong>\n   &#8211; Downstream myocardium becomes ischemic within minutes.\n   &#8211; Without reperfusion, cellular injury can become irreversible.<\/p>\n<\/li>\n<li>\n<p><strong>Electrical and mechanical consequences<\/strong>\n   &#8211; Ischemic myocardium develops altered ion gradients, increasing the risk of ventricular arrhythmias.\n   &#8211; Contractile function declines in the affected territory, reducing ejection performance and potentially causing mitral regurgitation if papillary muscles are involved.<\/p>\n<\/li>\n<\/ol>\n\n\n\n<p>Although acute thrombosis is a common pathway, clinical context varies. Some patients have occlusion superimposed on chronic coronary disease with collaterals, while others have minimal prior stenosis. Less common mechanisms can include coronary embolism, coronary spasm, spontaneous coronary artery dissection, or supply\u2013demand mismatch with concurrent thrombosis; the relative frequency varies by population and clinical setting.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Clinical presentation or indications<\/h2>\n\n\n\n<p>STEMI is commonly encountered in urgent or emergent care when a patient presents with symptoms concerning for acute myocardial ischemia. Typical clinical scenarios include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Central chest pressure, tightness, heaviness, or pain that may radiate to the arm, neck, jaw, or back<\/li>\n<li>Diaphoresis (sweating), nausea, or vomiting accompanying chest discomfort<\/li>\n<li>Shortness of breath, especially in older adults or those with heart failure<\/li>\n<li>Lightheadedness, syncope, or near-syncope (sometimes related to arrhythmia or hemodynamic compromise)<\/li>\n<li>Palpitations or sudden collapse due to malignant ventricular arrhythmias<\/li>\n<li>Atypical presentations (more common in some groups), such as isolated dyspnea, fatigue, epigastric discomfort, or altered mental status<\/li>\n<li>Symptoms occurring at rest or with minimal exertion, sometimes after emotional stress or acute illness<\/li>\n<\/ul>\n\n\n\n<p>In practice, the \u201cindication\u201d to activate a STEMI pathway is typically <strong>a compatible clinical picture plus ECG evidence<\/strong> suggesting acute coronary occlusion, with subsequent confirmation using biomarkers and imaging as needed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diagnostic evaluation &amp; interpretation<\/h2>\n\n\n\n<p>STEMI diagnosis is built from <strong>history<\/strong>, <strong>physical examination<\/strong>, and rapid testing, with the ECG playing a central role.<\/p>\n\n\n\n<p>Key elements of evaluation include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Focused history<\/strong><\/li>\n<li>Symptom quality, onset, duration, and associated features (dyspnea, nausea, diaphoresis).<\/li>\n<li>Cardiovascular risk factors and known coronary artery disease.<\/li>\n<li>\n<p>Medication use (including anticoagulants) and contraindication-relevant history (varies by protocol and patient factors).<\/p>\n<\/li>\n<li>\n<p><strong>Physical examination<\/strong><\/p>\n<\/li>\n<li>Vital signs and evidence of hemodynamic instability.<\/li>\n<li>Signs of heart failure (crackles, elevated jugular venous pressure, peripheral edema).<\/li>\n<li>\n<p>New murmurs that may suggest mechanical complications (interpretation depends on timing and exam conditions).<\/p>\n<\/li>\n<li>\n<p><strong>ECG (electrocardiogram)<\/strong><\/p>\n<\/li>\n<li>Clinicians look for <strong>ST-segment elevation in a territorial pattern<\/strong>, often with reciprocal ST depression in opposite leads.<\/li>\n<li>Hyperacute T waves, new bundle branch block patterns, or posterior changes can support concern for acute occlusion in the right context.<\/li>\n<li>\n<p>Serial ECGs can be helpful when the initial tracing is nondiagnostic or symptoms are evolving.<\/p>\n<\/li>\n<li>\n<p><strong>Cardiac biomarkers<\/strong><\/p>\n<\/li>\n<li><strong>Cardiac troponin<\/strong> supports myocardial injury and helps confirm infarction.<\/li>\n<li>\n<p>Early in symptom onset, biomarkers may be negative; repeat testing is commonly used.<\/p>\n<\/li>\n<li>\n<p><strong>Bedside echocardiography<\/strong><\/p>\n<\/li>\n<li>Can show new regional wall motion abnormalities, reduced systolic function, or complications (e.g., acute mitral regurgitation).<\/li>\n<li>\n<p>Particularly useful when the diagnosis is uncertain or the patient is unstable.<\/p>\n<\/li>\n<li>\n<p><strong>Coronary angiography<\/strong><\/p>\n<\/li>\n<li>Defines coronary anatomy, identifies the culprit lesion, and often enables reperfusion via percutaneous coronary intervention (PCI).<\/li>\n<\/ul>\n\n\n\n<p>Interpretation requires clinical integration because ST elevation can occur in other conditions (such as pericarditis, early repolarization, left ventricular aneurysm, or ventricular pacing). The working diagnosis often relies on pattern recognition plus the broader clinical picture.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Management overview (General approach)<\/h2>\n\n\n\n<p>Management of STEMI is generally organized around <strong>rapid reperfusion<\/strong>, <strong>antithrombotic therapy<\/strong>, <strong>supportive care<\/strong>, and <strong>prevention of complications<\/strong>. Specific choices vary by protocol and patient factors.<\/p>\n\n\n\n<p>High-level components include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Immediate stabilization<\/strong><\/li>\n<li>Assess airway, breathing, circulation, oxygenation, and hemodynamics.<\/li>\n<li>\n<p>Treat life-threatening arrhythmias and shock while diagnostic steps proceed in parallel.<\/p>\n<\/li>\n<li>\n<p><strong>Reperfusion therapy (restoring coronary blood flow)<\/strong><\/p>\n<\/li>\n<li><strong>Primary PCI (percutaneous coronary intervention)<\/strong> is commonly used when timely access is available and appropriate.<\/li>\n<li><strong>Fibrinolytic therapy<\/strong> (clot-dissolving medication) may be used in some systems when PCI is not rapidly accessible and there are no contraindications.<\/li>\n<li>\n<p><strong>Rescue PCI<\/strong> may be considered when fibrinolysis does not achieve adequate reperfusion by clinical\/ECG criteria.<\/p>\n<\/li>\n<li>\n<p><strong>Antiplatelet therapy<\/strong><\/p>\n<\/li>\n<li>Typically includes aspirin plus an additional P2Y12 inhibitor class agent, particularly when PCI is planned or performed.<\/li>\n<li>\n<p>Duration and selection depend on bleeding risk, stent strategy, and comorbidities.<\/p>\n<\/li>\n<li>\n<p><strong>Anticoagulation<\/strong><\/p>\n<\/li>\n<li>\n<p>Often used during the acute phase to reduce thrombus propagation, with choice guided by reperfusion strategy and bleeding risk.<\/p>\n<\/li>\n<li>\n<p><strong>Anti-ischemic and supportive medications<\/strong><\/p>\n<\/li>\n<li>Nitrates may be used for symptom relief in selected patients; caution is often considered in hypotension or suspected right ventricular infarction.<\/li>\n<li>Beta blockers, statins, and other therapies may be introduced early when appropriate, with attention to heart failure, bradycardia, and shock risk.<\/li>\n<li>\n<p>Analgesia and anxiolysis may be used judiciously, acknowledging potential hemodynamic and respiratory effects.<\/p>\n<\/li>\n<li>\n<p><strong>Monitoring and complication management<\/strong><\/p>\n<\/li>\n<li>Continuous rhythm monitoring for ventricular arrhythmias and conduction disturbances.<\/li>\n<li>\n<p>Management of acute heart failure, pulmonary edema, or cardiogenic shock may involve diuretics, vasoactive medications, and mechanical circulatory support in selected cases.<\/p>\n<\/li>\n<li>\n<p><strong>Secondary prevention and rehabilitation<\/strong><\/p>\n<\/li>\n<li>Risk factor modification (lipids, blood pressure, diabetes, smoking cessation), guideline-directed medical therapy, and cardiac rehabilitation are common long-term pillars.<\/li>\n<li>Follow-up planning typically addresses symptom surveillance, medication tolerance, and functional recovery.<\/li>\n<\/ul>\n\n\n\n<p>This overview is educational; real-world pathways are protocol-driven and individualized.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Complications, risks, or limitations<\/h2>\n\n\n\n<p>STEMI can involve complications from the infarction itself and from therapies used to treat it. The likelihood and timing vary by infarct size, territory, comorbidities, and treatment delays.<\/p>\n\n\n\n<p>Common or high-yield complications include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Arrhythmias<\/strong><\/li>\n<li>\n<p>Ventricular tachycardia\/ventricular fibrillation, atrial fibrillation, bradyarrhythmias, and high-grade AV block.<\/p>\n<\/li>\n<li>\n<p><strong>Heart failure and cardiogenic shock<\/strong><\/p>\n<\/li>\n<li>\n<p>Due to reduced left ventricular function, right ventricular failure, or mechanical complications.<\/p>\n<\/li>\n<li>\n<p><strong>Mechanical complications (often within days)<\/strong><\/p>\n<\/li>\n<li>Papillary muscle dysfunction or rupture causing acute mitral regurgitation.<\/li>\n<li>Ventricular septal rupture causing acute left-to-right shunt.<\/li>\n<li>Free wall rupture leading to tamponade (classically catastrophic, though presentation can vary).<\/li>\n<li>\n<p>Left ventricular aneurysm or pseudoaneurysm (timing and definition differ).<\/p>\n<\/li>\n<li>\n<p><strong>Pericardial syndromes<\/strong><\/p>\n<\/li>\n<li>Early pericarditis related to transmural infarction.<\/li>\n<li>\n<p>Post\u2013myocardial infarction inflammatory syndromes can occur later (terminology and frequency vary).<\/p>\n<\/li>\n<li>\n<p><strong>Thromboembolism<\/strong><\/p>\n<\/li>\n<li>\n<p>Left ventricular thrombus formation (more associated with anterior\/apical dysfunction) with risk of systemic embolization.<\/p>\n<\/li>\n<li>\n<p><strong>Bleeding and vascular complications<\/strong><\/p>\n<\/li>\n<li>\n<p>Related to antiplatelet\/anticoagulant therapy, fibrinolysis, and arterial access for angiography.<\/p>\n<\/li>\n<li>\n<p><strong>Limitations and diagnostic pitfalls<\/strong><\/p>\n<\/li>\n<li>ST elevation is not specific to STEMI; misclassification can occur in both directions (false positives and missed occlusions).<\/li>\n<li>Baseline ECG abnormalities (bundle branch block, ventricular pacing, left ventricular hypertrophy) can complicate interpretation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Prognosis &amp; follow-up considerations<\/h2>\n\n\n\n<p>Prognosis after STEMI depends on multiple interacting factors, including <strong>time to reperfusion<\/strong>, <strong>infarct size and location<\/strong>, <strong>left ventricular function<\/strong>, <strong>presence of shock or arrhythmias<\/strong>, and <strong>comorbid conditions<\/strong> such as diabetes, chronic kidney disease, and prior coronary disease.<\/p>\n\n\n\n<p>In general terms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Early risk<\/strong> relates to malignant arrhythmias, hemodynamic compromise, and mechanical complications.<\/li>\n<li><strong>Intermediate and long-term outcomes<\/strong> often depend on residual left ventricular function, completeness of revascularization, recurrent ischemia, adherence to secondary prevention therapies, and participation in cardiac rehabilitation.<\/li>\n<li><strong>Follow-up<\/strong> commonly includes reassessment of symptoms, functional capacity, and medication tolerance, as well as evaluation for complications such as heart failure or recurrent angina.<\/li>\n<li><strong>Risk stratification<\/strong> may incorporate imaging (e.g., echocardiography for ejection fraction and wall motion), ambulatory rhythm assessment in selected patients, and staged coronary evaluation when clinically indicated.<\/li>\n<\/ul>\n\n\n\n<p>Return to usual activities, work, and exercise is individualized and typically guided by clinical stability, functional testing (when used), and rehabilitation progress.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">STEMI Common questions (FAQ)<\/h2>\n\n\n\n<p><strong>Q: What does STEMI mean in plain language?<\/strong><br\/>\nSTEMI is a type of heart attack usually caused by a sudden blockage in a coronary artery. The term comes from a characteristic ECG pattern called ST-segment elevation. It signals a high-risk situation where heart muscle is being injured.<\/p>\n\n\n\n<p><strong>Q: Is STEMI the same as a \u201cheart attack\u201d?<\/strong><br\/>\nSTEMI is one form of myocardial infarction (heart attack). Another major category is NSTEMI (non\u2013ST-elevation myocardial infarction), which differs in ECG pattern and often in the degree or type of coronary obstruction. Both involve myocardial injury, but evaluation and urgent treatment pathways may differ.<\/p>\n\n\n\n<p><strong>Q: What causes the ST elevation on the ECG?<\/strong><br\/>\nST elevation usually reflects acute, more extensive (often transmural) myocardial ischemia from abrupt loss of blood flow in a coronary artery territory. The ECG change represents altered electrical currents across injured heart tissue. Interpretation depends on the pattern across leads and the clinical scenario.<\/p>\n\n\n\n<p><strong>Q: Can anything else cause ST elevation besides STEMI?<\/strong><br\/>\nYes. ST elevation can be seen with pericarditis, early repolarization variants, left ventricular aneurysm, ventricular pacing, and other conditions. Clinicians interpret the ECG alongside symptoms, exam findings, troponin results, and sometimes imaging to clarify the diagnosis.<\/p>\n\n\n\n<p><strong>Q: How is STEMI confirmed if the first tests are unclear?<\/strong><br\/>\nSerial ECGs and repeat cardiac troponin testing are commonly used when early findings are nondiagnostic. Bedside echocardiography can identify new wall motion abnormalities or complications. If concern remains high, urgent cardiology evaluation and coronary angiography may be considered depending on the case and local protocols.<\/p>\n\n\n\n<p><strong>Q: Why is reperfusion (opening the artery) emphasized so much?<\/strong><br\/>\nOngoing coronary occlusion can lead to progressive myocardial death and worsening heart function. Restoring blood flow can limit infarct size and reduce complications, although benefit depends on timing and patient-specific factors. The practical approach is shaped by local systems of care and contraindications.<\/p>\n\n\n\n<p><strong>Q: What are the most important early complications clinicians watch for?<\/strong><br\/>\nEarly concerns include ventricular arrhythmias, heart failure, cardiogenic shock, and conduction disturbances. Clinicians also monitor for mechanical complications and bleeding risks related to procedures and antithrombotic therapy. The exact monitoring plan varies by protocol and patient factors.<\/p>\n\n\n\n<p><strong>Q: What does recovery after STEMI generally involve?<\/strong><br\/>\nRecovery typically includes medical therapy for secondary prevention, monitoring for symptoms, and gradual return of functional capacity. Cardiac rehabilitation is often used to support safe exercise progression and risk-factor management. The pace of recovery varies based on infarct size, heart function, and comorbidities.<\/p>\n\n\n\n<p><strong>Q: When can someone return to exercise or work after a STEMI?<\/strong><br\/>\nTiming is individualized and commonly guided by symptom stability, functional capacity, and clinician assessment. Many programs use staged activity progression through cardiac rehabilitation rather than abrupt return to pre-event levels. Recommendations vary by clinician and case.<\/p>\n\n\n\n<p><strong>Q: Does having a STEMI mean someone will develop heart failure?<\/strong><br\/>\nNot necessarily, but STEMI can reduce left ventricular function depending on the territory and extent of infarction. Some patients recover substantial function, especially with timely reperfusion, while others develop chronic systolic dysfunction. Follow-up imaging and symptom assessment help clarify long-term risk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>STEMI stands for ST-elevation myocardial infarction. It is an acute cardiac condition caused by sudden loss of blood flow to part of the heart muscle. It belongs to the broader category of acute coronary syndromes (ACS). It is commonly encountered in emergency cardiology, prehospital care, and cardiac catheterization labs.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-427","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/posts\/427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/comments?post=427"}],"version-history":[{"count":0,"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/posts\/427\/revisions"}],"wp:attachment":[{"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/media?parent=427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/categories?post=427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/heartcareforyou.in\/blog\/wp-json\/wp\/v2\/tags?post=427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}