hit my forehead off an iron bar playing basketball with my grandchild cut just on my eyebrow which was very bloody and sore..... now 2 months later i have a bulging large lump in neck undere my chin my doctor organised an ultrasound and nothing showed up.... also she did a heart monitor as i was getting pains all . around chest and lately again i have shortness of breath really bad and frightening doctor said nothing showing up but i really dont feel well at all..... this happens late in the afernoon and late in the evening when i get very tired...... whats up . I also get a feeling of an elastic band around by neck to the front only not at the back which is very scarey. my e.mail is YYYY@YYYY