# HT04 Lingdao (Spirit Path) – Heart Meridian

靈道 · líng dào

Location: When palm faces upward point is on the radial side of the tendon of the flexor carpi ulnaris, 1.5 thumb widths above the transverse crease of the wrist.

Cautions: No specific contraindications.

Canonical page: https://acuiq.com/points/ht04

## Indications

An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Abscess Throat, Abscess Throat, Anxiety, Benefit Voice, Benefit Voice, Calm Spirit Shen, Calm Spirit Shen, Cold Bones, Cold Bones, Cold Marrow, Cold Marrow, Contraction Arm, Contraction Arm, Contraction Elbow, Contraction Elbow, Sadness & Depression, Sadness & Depression, Tendon Ligament Stiffness, Immobility Tendon / Ligament, Itchiness Hand, Itchiness Hand, Finger Pain, Finger Pain, Heart Pain, Heart Pain, Red Eyes, Red Eyes, Relax Muscles, Relax Muscles, Restlessness Zang Disorder, Restlessness Zang Disorder, Retching, Muscle Spasms, Muscle Spasms, Swelling, Swollen Eyes, Swollen Eyes, Voice Loss, Voice Loss

## Most often selected alongside HT04

Sourced protocols in the index pairing each point with this one. Corpus frequency, not a combination to use.

- HT03 (Lesser Sea) – 3 protocols
- HT07 (Spirit Gate) – 2 protocols
- PC03 (Marsh At The Bend) – 2 protocols
- PC05 (Intermediary Messenger) – 2 protocols
- PC06 (Inner Gate) – 2 protocols
- PC07 (Great Mound) – 2 protocols
- BL14 (Absolute Yin Shu Point) – 1 protocols
- BL16 (Governing Vessel Shu Point) – 1 protocols

## Protocols using HT04

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Chest Pain, Postoperative Pain | HT03, HT04, HT05, HT06, HT07, PC03, PC05, PC06, PC07 | 10 days | doi:10.51507/j.jams.2023.16.4.133 | trial | Point selection reported in a published study. |
| Liver Qi Stagnation, Liver Qi Stagnation | LI17, LI18, ST09, ST15, ST16, ST18, ST25, ST26, ST27, SP13, SP18, HT03, HT04, SI11, BL14, BL16, BL18, BL31, KD21, XB02T9 | 7 days | Yang Yong-Xuan, clinical point-selection notes | text | Point selection recorded in a clinical text or case report. |
| Carpal Tunnel Syndrome | HT03, HT04, PC03, PC05 | – | Local Effects of Acupuncture and Nerve Conduction Studies. ClinicalTrials.gov NCT03036657 | text | Point selection recorded in a clinical text or case report. |
| Dementia Senile | ST36, ST40, HT04, HT07, BL23, KD03, KD07, PC06, PC07, GV04, GV12, GV14, GV15, GV16, GV20, GV23, GV24, GV26, XH01A, XH01B, XH01C, XH01D | 30 days | CHENG Hai-ying, CHENG Dong-qi. Progress in Research on Acupuncture Treatment of Senile Dementia. Journal of Traditional Chinese Medicine, 2009, 29(3): 224-233. | text | Point selection recorded in a clinical text or case report. |

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AcuiQ-authored prose (symptom and meridian descriptions, the wiki, the auricular crosswalk) is licensed CC-BY-4.0: https://creativecommons.org/licenses/by/4.0/. The assembled protocol compilation is not: build on it with attribution, but do not redistribute it whole as a dataset – https://acuiq.com/terms. The underlying findings are the cited sources' claims – each entry carries its citation; verify against the source before relying on it. Not medical advice: https://acuiq.com/terms