​Symptoms and Signs – Differential Diagnosis of Non Traumatic Cardiac Arrest

​Symptoms and Signs – Differential Diagnosis of  Non Traumatic Cardiac Arrest
• Toxins (carbon monoxide, cyanide)
• Respiratory (upper airway obstruction, hypoventilation, pulmonary embolism, asthma, COPD exacerbation, pulmonary edema)
• Medications (tricyclic antidepressants, digoxin, theophylline, calcium channel blockers)
• Environmental (drowning/near-drowning, electrocution, lightning, hypothermia or hyperthermia, venomous snakes)
• Electrolyte abnormalities (hypokalemia or hyperkalemia, hypomagnesemia or hypermagnesemia, hypocalcemia)
• Drug abuse (cocaine, heroin, amphetamines)
• Circulatory (tension pneumothorax, pericardial tamponade, pulmonary embolism [PE], hemorrhage, sepsis)
• Cardiac (coronary artery disease, cardiomyopathies, structural abnormalities, valve dysfunction, arrhythmias)