Flow of blood suddenly ceased.
A hissing sound. Arm grasped
above and frothy blood expressed
from the puncture. No general
symptoms.

A snuffling noise; a bubble of
air seen at puncture. Insensi-
bility, spasmodic respiration.
Puncture closed. Cold aspersions.
Recovery in a minute and a half.
Gurgling noise. Embarrassed
breathing. Irregular violent ac-
tion of the heart, face distorted,
general convulsions. Hemiplegia.
Apparently impending death. Re-
covery in about half an hour.

A whizzing sound. Patient ex-
pressed fear of dying, and became
faint. Pressure on wound. Repeat-
ed pressure on sternum. Recovery.

Ditto.

Sound of aspiration. Syncope.
Vein through which air entered
tied. Recovery.

A hissing noise. Patient ex-
claimed she was dying. Pulse ir-
regular. Breathing laborious. Ap-
parent insensibility. Compression
on wound. Usual remedies in syn-
cope.

Recovery in ten minutes.
Gurgling sound. Instant collapse,
threatening immediate death.
Pulse fluttering. Respiration
quick. Feeble sighing Urine and
fæces passed involuntarily. Wound
closed. Usual remedies in syncope.
Horizontal posture. Recovery.

A few bubbles of air entered open
mouth of vein, but were arrested
and forced back by finger. No
general symptoms. Recovery.

Hissing sound. Immediate syn-
cope. Recovery on placing finger
on vein, on removing, recurrence
of the sound and of the syncope.
Dull, rustling sound heard in
thorax. Horizontal posture. Cold
aspersion. Orifice in vein pinched
up in forceps, and ligature tied
round it. Gradual recovery.

Sound of air entering vein. No
other symptom. Recovery.