quick ultrasound normals: early OB and post-void residuals

30 Nov

via a recent handy post from ALiEM (which includes a number of other ultrasound normals)

a couple quick reference notes for some things I’ve continually had to look up (so maybe you’ll remember what I often cannot):

EARLY OB Ultrasound:

  • gestational sac: seen by ~4-5 weeks
  • yolk sac: seen by ~5.5 weeks
  • cardiac activity: seen by ~6 weeks

 

normal post-void residual:fish-lure-2

  • < 100-150 mL
  • or roughly 1/3 of a 12oz can of soda

 

References: ALiEM post; volume reference; picture

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: