It's not nitrogen deficiency. It looks a bit like what happens when you put a developed plant in dark and it continues growing without light, but there's also some indications of burning or dehydration in the misshapen leaves and damaged leaf margins.
How long of a time period and under what conditions did this develop? Did the new growth grow normal, then quickly change to this appearance or did it grow in like this over a longer period of time? If it happened quickly, my best guess would be the plant went from relatively weak lighting into more intense light or sunlight, which damaged and bleached out the weaker new growth.