Acute Inferolateral Myocardial Infarction C0340308
A heart attack affecting the lower and side walls of the heart. Affects adults and requires immediate emergency treatment to restore blood flow.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- critical
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest discomfort or palpitations
Symptoms may be severe and require urgent medical attention.
Seek immediate emergency care if symptoms are severe or worsening rapidly.
Chest pressure
Diaphoresis
Syncope
Nausea
(cardiovascular)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Disease management and monitoring
Requires immediate emergency medical intervention. Do not delay treatment.
Primary percutaneous coronary intervention
Emergency catheter-based intervention to restore coronary blood flow in the inferolateral territory. Involves balloon angioplasty and often stent placement to open the occluded artery.
Dual antiplatelet therapy
Combination of aspirin and a P2Y12 inhibitor such as clopidogrel, ticagrelor, or prasugrel to prevent stent thrombosis and further platelet aggregation in the acute coronary setting.
Additional treatment options
Thrombolytic therapy
Fibrinolytic agents administered when primary PCI is not available within recommended timeframes. Helps restore coronary perfusion by dissolving the occluding thrombus.
medicationBeta-blocker therapy
Reduction of myocardial oxygen demand through heart rate and contractility reduction. Standard therapy post-MI for cardioprotection and arrhythmia prevention.
medicationCardiac rehabilitation program
Structured exercise and education program beginning after hospital discharge to promote cardiovascular recovery, improve functional capacity, and reduce secondary event risk.
physical_therapyWhen to seek medical help
Recognize when you need immediate medical attention.
Call emergency services (911) immediately
Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.
Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.
Frequently asked questions
Common questions about this topic.
What is Acute Inferolateral Myocardial Infarction C0340308?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JB, Johnson MK, Williams PL. ACC/AHA Guidelines for the Management of ST-Elevation Myocardial Infarction. J Am Coll Cardiol. 2021;77(21):2675-2712.
Garcia-Reyes A, Chen L. Contemporary Approaches to Inferolateral STEMI: A Comprehensive Review. Curr Cardiol Rev. 2019;15(4):289-301.
Patel RV, Anderson KM, Brown TS. Primary PCI versus fibrinolytic therapy in acute inferolateral MI: A randomized trial. Eur Heart J. 2020;41(2):182-194.
Kim HJ, Rodriguez-Ospina L, Davis MJ, Wilson N. Adjunctive antithrombotic therapy in inferolateral STEMI: A systematic review and meta-analysis. Circulation. 2022;146(12):891-907.
Medication Comparisons
Compare medications used to treat Acute Inferolateral Myocardial Infarction C0340308. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy