60  slides,  color.  2  \  3  in,  and  phonotapc;  1  cassette
(for  manual  projectors),  20  min  (Iniroduction  to  congenital
heart  disease,  no,  1)

Also  issued  with  phonotape  in  cassette  for  automatic  pro-
jectors; on  reel  for  manual  projectors;  on  reel  for  automatic
projectors.
SUMMARY:  Explains  the  interrelationships  of  flow,  pres-
sure, and  resistance,  comparing  adult  and  fetal  circulations,
Demonstrates  the  three  fetal  shunts  and  their  mechanisms  of
closure  and  discu.sses  causes  and  effects  of  postnatal  pulmo-
nary vasodilation.
1.  Fetus— Physiology.  1.  National  Medical  Audiovisual
Center.  II.  National  Audiovisual  Center.  HI  Series:  Intro-
duction to  congenital  heart  disease.  fSlide  set]  no.  1.
74-735589
[RG600]


National  Audiovisual  Center


612.6


Periodontal  examination.  Part  1:  examination  proce-
dures. [Motion  picture]  U.S.  Veterans  Administra-
tion. 1970.  Released  by  National  Medical
Audiovisual  Center  and  National  Audiovisual  Cen-
ter.
17  min,     sd,     color,     8  mm
Loop  film  in  cartridge.  Magnetic  sounds  track.
Also  issued  in  16  mm,  with  optical  sound,
SUMMARY:  Illustrates  clinical  examination  of  the  peri-
odontium, emphasizing  gingival  color,  density,  relation  to  the
gingival   margin   to  the  cemento-enamcl  junction,   pocket
depth,  and  bleeding  tendency.  Includes  roentgenological  ex-
amination. Presented  by  Drs.  Sigurd  P  Ramfjord  and  Edward
Green,

1-  Periodontium— Examination.  1.  United  States.  Vet-
erans Administration.  11,  National  Medical  Audiovisual
Center      III,  National  Audiovisual  Center,

75-701255
[RK361]

617.6
National  Audiovisual  Center

75


Peri  care.  [Filmstrip]     Trainex  Coip..  1974.
149  fr,  color.  35  mm.  and  phonodisc:  2  s..  12  in..  33
I  /3  rpm.  29  min.      (Basic  nursing  skills)

Also  issued  with  phonotape  in  cassette.
^^'ith  study  guide,

SL  MM.ARY;  A  training  film  for  nurses  that  demonstrates
techniques  of  perineal  care,  also  called  peri  care,  which  is  the
external  cleansing  of  the  geniial-perineal-anal  area.  A  step-
by-step  explanation  of  proper  perineal  care  for  both  male  and
female  patients  is  presented.
