Medical student case presentation performance and perception when using mobile learning technology in the emergency department

Figures & data

Figure 1.  Video format for: The initial approach and stabilization of the patient with chest pain, difficulty breathing or abdominal pain.

Figure 2.  Clinical data collection sheet.

Table 1. Use of the video for each chief complaint

	Sample size (N)
Chief complaint	Used video	Did not use video
Chest pain	12	14
Abdominal pain	13	16
Difficulty breathing	6	6

Table 2. Faculty subcategory evaluation comparing iPod touch video use or not

		Mean differences (Δ) and Cohen's d effect sizes of iPod touch video use or not Statistical significance (p)
		Abdominal pain			Chest pain			Difficulty breathing			Overall
Encounter	N	Δ	P	Cohen's d	Δ	P	Cohen's d	Δ	P	Cohen's d	Δ	P	Cohen's d
First encounter	48	–3.7	.552	.29	–10.2	.055	.96	–19.6	.084	1.40	–8.4	.032	.65
Early versus late encounters	67	–6.2	.242	.50	8.8	.159	.56	–15.9	.083	1.08	–1.6	.671	.11

* Mean difference is statistically significant of p<.050

Table 3. End of rotation survey

Survey item	Median (IR)
When using the iPod touch videos, I felt more confident...
Approaching the patient	5.0 (1.0)
Developing a differential diagnosis	5.0 (1.0)
In my presentations	5.5 (1.3)
In my ability to perform a focused history, focused physical exam and specific patient care plan	5.0 (1.2)
In my ability to present a focused history, focused physical exam and specific patient care plan	5.0 (1.2)
Overall, when using the iPod touch prior to seeing the patient I felt that I gave a better patient presentation	5.0 (1.1)
The iPod touch videos...
Were well done and professional appearing	6.0 (1.1)
Presented content pertinent to the ED's clinical setting	6.5 (1.1)
Presented content pertinent to my education	6.5 (1.1)
Were of sufficient length to provide a quick content review before seeing the patient	6.0 (1.1)
I felt the iPod touch...
Was easy to use	6.5 (0.8)
Was useful as a teaching tool	7.0 (0.8)
Would be useful for quick procedural reviews (ex. I&D of an abscess)	7.0 (0.8)
Would be useful for further quick content reviews (ex. headache, neuro exam)	7.0 (1.1)

Responses were scored on a scale from 1 (strongly disagree) to 7 (strongly agree).