On a standard EKG, the precordial leads (V1-V6) are presented in an “anatomically contiguous” manner. That is not the case with limb leads. The Cabrera format is way to rearrange the limb leads on the printed electrocardiogram such that they ARE in an “anatomically contiguous” arrangement.
Continue readingAuthor: Jeffery Steele
A Nice Way to Find Subtle Rib Fractures
A man slipped on the ice and hurt his right chest wall. The radiologist says there are no fractures. I’m still suspicious. Is there a better a way?
The extra stuff in the CVL kit: what is the “Transduction Probe”?
Here is a standard central venous line insertion kit. There are some things in it that we (or at least “I”) truly never use, and I suspect some folks do not even know what they are for. Let’s have a look.
Cardiac monitored fooled again…
I’ve written posts before about times that the cardiac monitor disagrees with the pulse oximeter as to how many times the heart is beating. In the prior post, it was due to PVC’s. This time it is something different…
The Color Doppler Box
While scanning a patient’s heart the other day, I noticed an artifact in the cine clips after adjusting the size of the color Doppler box. Let’s take a look.
Continue readingToo Many Buzzwords About Facial Droop
Forehead sparing, partial dual innervation, HSV, VZV, Ramsay Hunt, geniculate ganglion, zoster oticus, zoster opthalmicus, Hutchinson’s sign, nasociliary nerve, dendritic ulcers, topical steroids – it’s a lot of buzzwords. Let’s clarify. From the top…
Continue readingDTaP vs Tdap?
Are these interchangeable? This came up recently. Pediatricians, family doctors, and everyone else that provides primary care might not know whether to laugh or cry at our ignorance, but this is not in our wheelhouse despite the fact that we boost a lot of tetanus immunity. Let’s look at it.
Continue readingIs the probe backwards?
Learners get confused sometimes about which direction the probe is facing. Let’s look at how to know if you have it right or not.
Continue readingHow Gain Settings Affect Vitreous Imaging
Indulge me in a few more thoughts and images about posterior vitreous detachments.
Continue readingIbuprofen and acetaminophen shortcut
I noticed a pattern in the dose of the things the other day that I’d never seen before. Am I late to the party? This is too good to be true.
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Searcy EM 