A Hospital in Another World? C.168

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"Role of Ultrasound in Medical Diagnosis"

Though he initially planned to write it as soon as he returned home, Garrett Nordmark spent a few extra days conducting experiments, ensuring the data was complete before putting pen to paper. Just as he drafted a title, he quickly crossed it out:

Too casual, too many words from my past life. People in this world have no idea what B-ultrasound is...

He blacked out the line above, started a new one, and swiftly wrote under the light. The training camp provided decent accommodation for students. Although the room wasn’t spacious, the desk had a magical lamp instead of a dim, flickering oil lamp.

The light was snow-white, with a brightness equivalent to a 25-watt daylight bulb, evenly and stably illuminating the space—perhaps a bit too bright. Garrett, in recent days, contemplated whether to add a light yellow shade to it...

Dipping his quill in ink, he waved the pen. The graceful and smooth strokes fell onto the paper, organizing thoughts and shaping the magic that first appeared in this world: 𝘧𝓇𝘦𝘦𝔀ℯ𝘣𝓃𝓸𝓿ℯ𝘭.𝑐𝓸𝓂

"A New Application of Echo Magic and Its Role in Exploring the Internal Organs of the Human Body"

Keywords: Sound waves, Range and Clarity, Exploration, Medical

In the process of studying echo magic, we observed something interesting: the effectiveness of sound waves emitted by different bat species in exploring the surrounding environment varies.

For example, under the same magical energy consumption, using common brown bats as the casting material, when exploring the internal organs of a rabbit, the echo in the meditative field can clearly feedback the outline of the rabbit cage, table, and the room within 10 square meters. However, the depiction of the rabbit’s internal organs is not clear.

With woolly wing bats, the exploration range narrows to the rabbit cage, table, and the ground, but the feedback on the rabbit’s internal organs is slightly clearer than the former.

As for the small chrysanthemum head bat, the exploration range extends to the entire room, about 50 square meters, but the depiction of the rabbit’s internal organs is extremely blurry.

(See the comparison chart below for display range and rabbit internal organ depiction)

Given these experimental results, we can tentatively conclude that the stronger the penetrating power of sound waves, the broader the exploration range, but the lower the clarity of the display. Conversely, weaker penetrating power leads to a smaller exploration range but clearer depiction of details of the target.

For this, we conducted experiments with 47 bat species found in the market (bat list in Appendix One). We found that using the brain of the short-eared blood-sucking bat as the experimental material can most clearly explore the internal organs of the human body.

The spell model for this magic is...

Casting Material: Brain of the short-eared blood-sucking bat, must be kept intact. The author conducted comparative experiments using fresh, dried specimens soaked in lime water, and frozen specimens treated with freezing radiation, each with 20 individuals. The conclusion is that there is no statistically significant difference in magical energy consumption, exploration range, and display clarity.

(See table below for experimental data)

Points to note when casting: The area to be examined should be shaved of hair and coated with a conducting fluid to facilitate the smooth conduction of echoes into the human body. The author conducted comparative experiments using different types of liquids, and the conclusion is that glycerin is the best conducting fluid, followed by sweet almond oil.

(See table below for the imaging effects of different types of fluids on casting)

This application of echo magic can dynamically and clearly display the shape of human organs, anatomical layers, adjacent relationships, as well as the distribution of blood vessels and other tubular structures.

This application is a non-invasive examination method that can display the internal organs of the human body without cutting or exposing it. It is convenient to cast, cost-effective, and can be performed multiple times without causing harm or pain to the patient.

The author conducted liver exploration experiments on 30 live geese, and the feedback images can effectively reflect the fattening condition of goose livers. It can be reasonably inferred that this magic can also be used to check whether the human liver has accumulated too much fat.

(See the meditation feedback images of goose liver and surrounding tissues below)

The role of echo magic in exploring the human body differs from the variant of "Detection Magic" in...

Garrett’s hand moved the pen swiftly, writing diligently. All he learned in his past life, all the magical images he "saw" in meditation, all the patients he encountered since crossing...

Textbooks, cases, images, and numbers flashed through his mind, condensed, settled, summarized into words flowing rapidly from the pen onto the paper.

The surroundings went from quiet to noisy, then back to quiet as students in neighboring dorms finished their day, completed their hygiene routines, one by one entering meditation. Garrett was oblivious, sitting under the light, writing one page after another:

"In conclusion, using the brain of the short-eared blood-sucking bat as casting material can effectively help diagnose the conditions of human injuries and illnesses by exploring the internal organs.

Future research directions for this magic are as follows:

1. Investigate the reasons for the inverse relationship between sound wave penetration, exploration range, and clarity.

2. Find more bats or other items suitable as casting materials.

3. Explore the human body extensively, accumulate magical image feedback landscapes of normal human bodies for later investigators to compare and identify abnormal conditions.

4. Explore the organ conditions of extraordinary individuals, study the physical and magical aspects of extraordinary fluctuations, and whether they will interfere with the exploration effects of this magic..."

Main text, abstract, references. Garrett put down the final period, raised his arms, stretched lazily:

Thank goodness it’s finally done... Although images of B-ultrasound magic scans in normal individuals still need accumulation, this magic has finally been developed... What time is it?! I haven’t done tonight’s meditation yet!

Garrett quickly rolled onto the bed.

Half a month ago, he completed the last bone of the "self" in the meditation core. However, those bones seemed unrelated, showing no resonance between them. Pulling one had no effect on nearby ones; they didn’t budge or collapse.

It made Garrett suspect that the pile of bones he spent months constructing was taken from different owners altogether.

Garrett tried to connect them. After several attempts, he felt his mental strength had reached its limit. Adding a ligament or a piece of muscle was impossible, no matter how much he endured the headache.

But today was different. Just as he entered meditation, a gentle and abundant force came from nowhere, gently tapping the "self" wave after wave. In the skeletal framework standing in the void, an invisible force circulated.

Garrett had a thought. The light figure constructed by the bones took a step, scapulae and clavicles turned, lifting the humerus upward, then driving the ulna and radius to a higher angle until they were parallel to the shoulders. Wrist and hand bones moved together, and finally, finger bones tightened inward, then spread outward, repeatedly.

They resonated gently. In the void, 206 bones vibrated, the fluctuation seemed silent yet resonant, oscillating back and forth. The unexpectedly tender force, from the skeletal structure composed of mental strength, transmitted wave after wave to the real bones in the body.

Washing, soothing, solid

ifying, overflowing outward, filling muscles and blood vessels—

Garrett suddenly opened his eyes. That genuinely tangible force was still flowing in his body, breathing becoming more rapid, heart beating vigorously. He raised his right hand, held it in front of his eyes, silently chanting the spell for a healing technique.

A warm white light blossomed at his fingertips. On the desk, the oak wand leaned, its head producing a second fresh green leaf, quietly budding.

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