 [ Symptoms ] 29 weeks pregnant and my heart is working so hard today that i can actually feel it beating up in my throat normal  you can actually see my whole chest moving from the heart beats because they are so incredible i do not know if this is normal or if i am having issues that i need to address with my doctor now [ Disease ] i can not examine you of course but these knots are most likely reactive lymph nodes you would need to see your medical provider to determine why this is happening