My heartbeat at resting is 100+,minor activities makes it jump to 130 accompanying shortness of breath, little pinch like pain occurs for few seconds any tym a day. is it normal? I am
b12 deficient and taking b12 shots since 2 months weekly, it was 233. not
diabetes, no
thyroid. low b12 levels n low vit d(6 only) taking neuro treatment for b12. is heart rate a danger sign or normal? how serious it could be?