Meanings of thready pulse in English

I felt his thready pulse and listened to his lungs.

I did CPR and got a thready pulse.

Pia worried that despite the thready pulse, the man might be about to die of shock, possibly septic shock, with his elevated temperature.

I had seen enough dead bodies and didn't need to check for thready pulses or burbling breath sounds.

"Absolute exhaustion-possiblymere hunger and fatigue," said I, with my finger on the thready pulse, where the stream of life trickled thin and small.