Cardiac Emergency Cases

62-year-old female with 2 hours of intermittent chest tightness. Pain is substernal, pressure-like, radiates to jaw. Associated with diaphoresis. Pain improves slightly with rest but recurs intermittently.

Risk Factors: Diabetes, hyperlipidemia, postmenopausal

Vitals: BP 135/85, HR 88, RR 16, O2 Sat 97% RA

Cardiac: Regular rhythm, S4 gallop

Resp: Clear, no edema

Interpretation: ST depression in leads V4-V6, T-wave inversion in multiple leads

Troponin I: 0.08 ng/mL (elevated)

ECG changes + elevated troponins = NSTEMI diagnosis

Risk Stratification:

• 📊 Calculate TIMI/HEART score
• 💊 Anti-ischemic therapy (aspirin, beta-blockers)
• 💉 Anticoagulation if cath planned
• 🏥 Early invasive strategy for high-risk patients

Reference: 2014 ACC/AHA NSTE-ACS Guideline; 2020 ESC NSTE-ACS Guideline.

45-year-old male with metastatic lung cancer presents with 2 days of progressive shortness of breath and chest pain. Pain is sharp, worse with inspiration. Recent chemotherapy session.

Associated symptoms: Fatigue, decreased urine output

Vitals: BP 85/60, HR 110, RR 24, O2 Sat 92%

Neck: Prominent JVD, doesn't change with respiration

Heart: Muffled heart sounds, tachycardia

Abdomen: Distended, pulsatile liver

ECHO: Large pericardial effusion with RV diastolic collapse

Diagnosis: Cardiac tamponade with Beck's triad present

Immediate Stabilization:

• 💉 IV fluids + vasopressors for hypotension
• 🏥 Prepare for pericardiocentesis
• ⚠️ Avoid positive pressure ventilation
• 🎯 Definitive treatment: Pericardial drainage

Reference: 2015 ESC Pericardial Diseases Guideline.

68-year-old female post-hip surgery 1 week ago presents with sudden onset shortness of breath. Associated with pleuritic chest pain and cough. No hemoptysis. Recent travel by car (8 hours).

Risk Factors: Immobility, recent surgery, age >65

Vitals: BP 110/70, HR 110, RR 28, O2 Sat 88%, Temp 98.8°F

Cardiac: Tachycardia, no murmurs

Resp: Tachypneic, clear lungs

Ext: Right calf swelling, tenderness

D-dimer: Elevated (5.2 μg/mL)

CTA Chest: Large saddle pulmonary embolism

ECHO: RV strain, elevated pulmonary pressures

Massive PE Protocol:

• 🏥 ICU admission required
• 💉 Thrombolytics: tPA 100mg over 2 hours
• 💊 Anticoagulation after stabilization
• 🎯 Consider thrombectomy if contraindications

Reference: 2019 ESC Pulmonary Embolism Guideline.

28-year-old male with 2 days of sharp chest pain that worsens with deep inspiration and lying down. Pain improves when sitting up and leaning forward. Associated with low-grade fever. Recent viral upper respiratory infection.

Pain characteristics: Sharp, pleuritic, positional

Vitals: BP 125/80, HR 95, RR 16, O2 Sat 98%, Temp 100.5°F

Heart: Pericardial friction rub heard

Other: No JVD, clear lungs

Classic Findings: Diffuse ST elevation with PR depression

Treatment Protocol:

• 💊 NSAIDs: Ibuprofen 600-800mg TID
• 🛡️ PPI protection for GI side effects
• 💊 Colchicine 0.5mg BID for 3 months
• 🏃‍♂️ Rest and activity modification

Reference: 2015 ESC Pericardial Diseases Guideline.

32-year-old male presents with 1 week of fatigue, fever, and recent onset chest pain. Describes pain as sharp, worse when lying down. Recent flu-like illness with sore throat. No significant past medical history.

Associated symptoms: Myalgias, fatigue, low-grade fever

Vitals: BP 110/70, HR 95, RR 16, O2 Sat 98%, Temp 100.2°F

Cardiac: Regular rhythm, no murmurs

Resp: Clear lungs

Other: No edema, mild pharyngitis

Troponin I: 2.5 ng/mL (elevated)

ECHO: EF 35%, global hypokinesis

ECG: Diffuse ST changes

Supportive Care:

• 🏥 ICU monitoring for arrhythmias
• 💊 Heart failure medications as needed
• ⚡ Antiarrhythmic therapy if indicated
• 💉 Mechanical support (IABP/ECMO) for shock
• ⏰ Recovery usually within weeks

Reference: 2013 ESC Position Statement on Myocarditis.

58-year-old male with sudden onset shortness of breath and orthopnea. History of hypertension and recent MI 2 weeks ago. Describes hearing a "pop" in chest followed by immediate breathing difficulty.

Associated symptoms: Cough with pink frothy sputum

Vitals: BP 160/90, HR 120, RR 32, O2 Sat 85%

Cardiac: Holosystolic murmur at apex, S3 gallop

Resp: Bilateral crackles, accessory muscle use

Ext: Cool extremities, pulsatile

ECHO: Flail posterior mitral leaflet, severe regurgitation jet

Diagnosis: Papillary muscle rupture from recent MI

Emergency Management:

• 🏥 Urgent surgical consultation
• 💉 Vasopressors to maintain afterload
• 🫁 Intubation if respiratory failure
• ⚙️ IABP for temporary support
• 🔪 Definitive: Surgical valve repair/replacement

Reference: 2020 ACC/AHA Valvular Heart Disease Guideline.

72-year-old female presents with dizziness and fatigue for 2 days. Describes feeling lightheaded when standing. Recent colonoscopy with conscious sedation. No chest pain or shortness of breath.

Associated symptoms: Generalized weakness, near-syncope

Vitals: BP 90/60 standing (110/70 supine), HR 45, RR 14

Cardiac: Bradycardia, irregular rhythm

Neuro: Alert, no focal deficits

Interpretation: Third-degree AV block with complete dissociation

P waves: Regular at 75 bpm

QRS: Regular at 45 bpm

Immediate Treatment:

• 🔋 Transcutaneous pacing if unstable
• 🏥 Urgent transvenous pacemaker
• 💊 Atropine 0.5mg IV (may try once)
• 📞 Cardiology consult for permanent pacemaker

Reference: 2018 ACC/AHA/HRS Bradycardia Guideline; 2020 AHA ACLS.

55-year-old male collapses suddenly in the waiting room. Unresponsive, pulseless, not breathing. No bystander CPR performed. Patient has history of CAD and previous MI.

Witnessed arrest: Sudden collapse, no agonal breathing

ABCs: Unresponsive, apneic, pulseless

Rhythm Check: Chaotic, irregular rhythm

Initial rhythm analysis needed - check the ECG below

Rhythm Analysis: Chaotic, irregular waveform with no discernible P waves, QRS complexes, or T waves. Amplitude and morphology constantly changing.

Interpretation: Classic ventricular fibrillation pattern

Immediate Actions:

• ⚡ Defibrillation: 120-200J biphasic (first shock)
• 🫁 CPR: 30 compressions + 2 breaths
• 💉 Epinephrine 1mg IV every 3-5 min
• 💊 Amiodarone 300mg IV after 3rd shock
• 🔄 Continue until ROSC or termination

Reference: 2020 AHA ACLS Guidelines.

Targeted Temperature Management:

• 🌡️ TTM / temp control: 32–37.5°C range (prevent fever; follow local post-ROSC protocol)
• 🏥 Early coronary angiography
• 🫁 Optimize ventilation and oxygenation
• 🧠 Neuroprognostication

Reference: 2020 AHA Post–Cardiac Arrest Care Guidelines.

48-year-old female with sudden severe headache and chest pain. Known hypertension, medication non-compliant. Describes "worst headache of life" with nausea and blurred vision.

Associated symptoms: Shortness of breath, palpitations

Vitals: BP 220/130, HR 95, RR 18, O2 Sat 96%

Neuro: Alert, no focal deficits

Cardiac: Regular rhythm, no murmurs

Other: Papilledema on fundoscopy

Urgent Labs: BMP, troponin, UA, CXR

CT Head: Rule out intracranial hemorrhage

EKG: Assess for LVH, ischemia

End-organ damage: Hypertensive encephalopathy suspected

Immediate Treatment:

• 🏥 ICU admission required
• 💉 IV Labetalol or nicardipine
• 📉 Reduce MAP by 10-15% in first hour
• 🔍 Frequent BP monitoring
• 🎯 Target BP <180/110 mmHg over hours

Reference: 2017 ACC/AHA Hypertension Guideline.