 [ Symptoms ] if alka seltzer helps me does that mean i am not having a heart attack  i am a 28 year old woman i do not drink or smoke for that past three days i have been having pain in my chest and a warm feeling behind my chest and have been having gas also it only stopped after i took some alka seltzer and only worked for a few hours i also have a history of panic attacks and heartburn [ Disease ] obviously without the ability to examine your finger to determine the significance of this chunk that you have i can only offer you some general information most of these avulsion injuries will heal over time they will scab over and gradually new skin will form over this area larger chunks may require stitches to close since i cannot see your injury you will need to make a judgment about seeking hands on medical care keep the wound clean to prevent infection use a topical antibiotic ointment and keep in covered with a bandage until a scab forms