Key Notes on Chest Pain Types and Management

Characterized by stable angina or acute coronary syndrome.
Vascular smooth muscle spasms can impair cardiac blood flow, leading to ischemia and angina.
Patients with Ischemic Heart Disease (IHD) and angina need EBG directed therapies, which include lifestyle changes and risk factor management.

Also known as Effort Induced Angina, Classic or Typical Angina.
Symptoms typically include a short-acting, burning, heavy, or squeezing sensation.
Some episodes can present with atypical symptoms such as fatigue, nausea, or sweating. Atypical presentations are common in women, diabetics, and older adults.
Usually caused by fixed obstruction of a coronary artery due to plaque.
Ischemia may be induced by activity but is relieved by rest or Nitroglycerin (NTG).
The pattern of chest pain (CP) remains consistent over time, hence labeled as 'stable'.

CP that increases in frequency and intensity with less effort.
Episodes lasting longer than 20 minutes, new onset angina or increasing angina, or sudden shortness of breath (SOB) are red flags for unstable angina.
Symptoms are not relieved by rest or NTG, indicating a form of acute coronary syndrome requiring hospitalization and aggressive treatment.

Uncommon type of angina occurring at rest due to spasm of coronary arteries.
Not linked to physical activity or stress.
Responds well to coronary vasodilators such as NTG and Calcium Channel Blockers (CCBs).

Emergency situation, often due to plaque rupture leading to partial or complete thrombosis of a coronary artery.
If untreated, can lead to myocardial necrosis (Myocardial Infarction - MI).

Four classes of drugs are commonly prescribed:
- Beta-Blockers (BBs)
- Calcium Channel Blockers (CCBs)
- Organic Nitrates
- Sodium Channel Blockers (Ranolazine)

No Concurrent Conditions: Long-acting nitrate, Beta-Blockers.
Recent Myocardial Infarction: Long-acting nitrate, Beta-Blockers.
Asthma, COPD: Long-acting nitrate.
Hypertension: Long-acting nitrate, Beta-Blockers.
Diabetes: Long-acting nitrate.
Chronic Renal Disease: Long-acting nitrate, Beta-Blockers, and Calcium Channel Blockers.

Reduce myocardial oxygen demand by blocking beta-1 receptors, which decreases heart rate (HR), contractility, cardiac output (CO), and blood pressure (BP).
Effective in increasing exercise duration and tolerance in patients with stable angina.
First-line treatment for angina, but not for Prinzmetal angina as they can worsen symptoms.
Should not be used in severe bradycardia and must be tapered off to prevent complications.

Block the entrance of calcium into cardiac and vascular smooth muscle cells.
Two types: Dihydropyridines (e.g., Amlodipine) affecting peripheral smooth muscles and non-dihydropyridines (e.g., Verapamil, Diltiazem) affecting the heart.
- Amlodipine: Minimal effects on cardiac function, useful for variant angina.
- Verapamil: Slows AV conduction, not advised for patients with AV conduction abnormalities.
- Diltiazem: Useful for Prinzmetal angina, but with caution in heart failure due to negative inotropic effects.

Help relieve angina by relaxing vascular smooth muscle, reducing myocardial oxygen demand and increasing blood supply.
Nitroglycerin (NTG) offers quick relief for angina.
Caution with tolerance build-up; manage by implementing nitrate-free intervals.

Helps manage angina by improving oxygen supply and demand.
Can have QT interval prolongation and interactions with other drugs, requiring careful monitoring during therapy.
Antianginal efficacy may be less pronounced in women, highlighting the need for personalized treatment strategies.