Snakebite Severity ScoreLoading...Pulmonary systemAbsent0Dyspnea+1Mod resp distress+2Cyanosis+3CVSAbsent0Tachycardia, palpitation+1Tachycardia, hypotension+2Extreme tachycardia, hypotension+3Local woundAbsent0Swell 5-7.5 cm+1Swell 7.5-50 cm+2Swell 50-100 cm+3Swell > 100 cm+4GI systemAbsent0Pain, nausea+1Womiting, diarrhea+2Severe vomiting+3HematologyAbsent0Slightly abnormal+1Abnormal+2Very abnormal+3Markedly abnormal+4CNS systemAbsent0Min headache+1Mod headache+2Severe headache+3