Sudden Cardiac Death
#NEETPG #FMG #INICET
1 min read
- Sudden cardiac death is defined as death occurring within 1 hour of the onset of cardiac symptoms or 24 hours of last being seen healthy and alive.
- Men are at higher risk. Leading cause if Coronary artery disease
Differences in physical finding in Sudden cardiac arrest vs Myocardial ischemia
| Sudden cardiac arrest | Myocardial ischemia | |
|---|---|---|
| Pulse | Absent | Increased rate and bounding |
| Mental Status | Unresponsive | Afraid and Anxious with Sweating |
| Lips | Cyanosis | Pallor |
| Pupils | Dilated and Non-reactive to Light | Reactive to light |
| Muscle Tone | Flaccid | Normal |
| Auscultation | Absent Heart Sounds | S3 S4 |
| ECG | Asystole PEA Agonal Rhythm |
ST Elevation ST Depression |
| Cardiac condition associated with SCD | Fatal arrythmia |
|---|---|
| Hypertrophic Cardiomyopathy | Ventricular Fibrillation / Ventricular Tachycardia |
| Holiday Heart Syndrome | Atrial Fibrillation |
| Diabetes Mellitus | Silent MI |
| Brugada Syndrome | Torsades de Pointes, Ventricular Tachycardia |
| Broken Heart Syndrome | Cardiogenic Shock and TDP |
| Long QT Syndrome | Torsades de Pointes |