Chief Complaint: Cardiac Arrest
Differential Diagnosis
Cardiac: Acute coronary syndrome (most common), Arrhythmia: Secondary to electrolyte disorder, acidosis, other process; abnormal conduction syndromes (eg, prolonged QT, Brugada), Pericardial tamponade
Respiratory: Airway obstruction: Mucus plug, foreign body, tracheostomy decannulation, Asthma/COPD exacerbation, Pneumonia, Pulmonary embolus, Tension pneumothorax
| Hemmorhage and hypovolemia |
| Trauma |
| Gastrointestinal bleeding |
| Abdominal aortic aneursym rupture |
| Intracranial hemorrhage |
| Profound gastrointestinal fluid loss |
| Drugs and poisons |
| Opioids |
| Beta blockers |
| Calcium-channel blockers |
| Benzodiazepines |
| Tricyclic antidepressants |
| Digoxin |
| Electrolyte disturbances |
| Potassium |
| Magnesium |
| Sepsis |