Is it ok for your heart beat to go faster suddenly

Online Doctor Online Medical Advice Found a little pea size bump on neck. On levothyroxine for hypothyroidism. What is causing this? Experiencing soreness and noticed some blood after rough intercourse. What should be done? Facing burning sensation, frequent urination and pain in lower abdomen. Any advice? Have slightly swollen and tingling calf. Should I be concerned? 8 weeks baby diagnosed with asymmetric crying face. What are the complications? Having pain in throat and ear after EGD with dilation. Should I go for immediate treatment? Have a palpably distended blood vessel on the inside of arm. Could it be lymph node swelling? Have low temperature, back pain, hip pain, hurting knee, hair loss and mouth sores. Could it be... Suffering from minimal bowel movement and numb feet. Looking for cure Have lump in the crease of groin. Pus and bumps comes after popping. Not cured by antibiotic.... On epilim 200mg for nerve pain. What are the side effect of atrovastatin 80mg, asprin 100mg and... IV drip leaked into the muscle. Noticed swelling in wrist and hand. What can I do to get the... Plates used for wrist fracture. Started feeling pain in hand and fever. Any thoughts? Started taking aspirin. Discovered a large bruise on the back of calf. What's wrong? Laparoscopy done. Started feeling nausea, fatigued, flank pain and frequent urination. Chances of... Why am I having large amounts of blood in semen after masturbation? Have mole that changes its colour. Could it be cancerous? Have mass growth on body. What care should be taken? Should I go for surgery? 16 year old have ACL repairs on each knee and tender to touch. Concerned Suffering from hearing loss. What cure should be done? Child suffering from fever, cold, cough. Prescribed medication. Spots above eyes. Allergic... Head hit on tramp, sight cut, bleeding continuously, large bump formed. Should I be worried? Sperm test done. Prescribed carnitor, addyzoa, fertyl. Trying to conceive, but no success.... Baby born with hematoma on right side of skull. Will it gradually go away? Gained weight by eating, drinking. Huge indent formed in thigh after pressing elbow against... Non stop bleeding after taking birth control injection. How to stop bleeding? Concerned after flesh came out from anus after passing stool. Solution? Small bumps on skin above clitoris. Possible reason? Should I be concerned? Suffering from Diarrhea, no effect with antibiotics. How to treat it? Pimples, excess hair growth on face, irregular periods, PCOS. Treated with APCOD. How long to... Shah grommet fitted. Feeling fullness in ear, loud tinnitus, popping sound while swallowing. Is... Teenager, curious about feel of breast. Hard like bone, rest skin. Normal? Using lomela cream to increase fairness. Any side effects on stopping? Staph infection on knee. Taking antibiotics. Can I get a tattoo while having an infection? Type 2 diabetic. High Triglyceride under control. Taking Metride2, Remylin D, Trivilib 2. Having... Urine analysis done. Levels above the normal range. What does it suggest? Raised bilirubin levels, enlarged spleen. On amoxicillin for acne. Elevated levels side effect of... Taking Codeine with paracetamol or ibuprofen with paracetamol. Is this safe? Have polycystic ovarian disease, irregular periods. Prescribed Canesten and Microcid. Any side... Swollen skin, fungus on skin. Applied Bactroban. Have sinus problem. What is the disease?