On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2. (October 25, 2025)

2025年10月25日

WRITER

Mr.Phonette

この記事を書いている人 - WRITER -

Mr.Phonette

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2.
(October 25, 2025)

※ Use earphones.

https://kikuzosound.com/member_login

***For those who haven’t registered yet
（Register with a smartphone）:
Scroll down on the page above and register for free using your SNS account, Google, or LINE.
***For those who wish to access all public content.
By purchasing a subscription, you will be able to access previously published cases, as well as stepwise auscultation content and video explanations that are exclusively available to subscribers.
Please select “Subscription” from the shopping cart to complete your purchase.

We update a new quiz every day on kikuzosound.com.

■iPax information webpage

iPax24LP-PayPal-en｜7 Features of iPax｜２B

■Inquiry
email 3sp@telemedica.co.jp
――――

10月25日は、心音の基本1音と2音を確認します。1音と2音の音の大きさ、音質、収縮期と拡張期を聴き分けるコツを説明しました。
（2025年10月25日）

※音を聴くときはイヤホン利用

https://kikuzosound.com/member_login

***ユーザ登録がまだの方（スマートホンで登録）
上記ページの下方にある「SNSアカウントまたはGoogle、LINEアカウント」でユーザ登録してご利用ください（無料）。
***全ての公開コンテンツを利用希望の方
サブスクリプションを購入すると、以前に公開した症例、その他サブスクリプション向けに公開しているステップワイズ聴診コンテンツや動画解説をご覧いただけます。
買い物かごから、subscriptionを選択してご購入ください。

kikuzosound.comでは、毎日クイズを更新しています。

■iPax紹介サイト

iPax24LP-ペイパルjp｜7つの特徴｜2B

■お問合せ
email 3sp@telemedica.co.jp

この記事を書いている人 - WRITER -

Mr.Phonette

前の記事 -Prev-

On October 24, the case features crackles in idiopathic pulmonary fibrosis (IPF) that may be missed during quiet inspiration.　Use iPax to experience the difference between resting and forced inspiration.

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2. (October 25, 2025)

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2.
(October 25, 2025)

10月25日は、心音の基本1音と2音を確認します。1音と2音の音の大きさ、音質、収縮期と拡張期を聴き分けるコツを説明しました。
（2025年10月25日）

関連記事 - Related Posts -

On August 20, we presented a quiz on the systemic findings of idiopathic pulmonary fibrosis. This was a modified excerpt from the Japanese National Medical Licensing Examination (118A05). (August 20, 2025)

On August 16, we will reference a past National Examination for Nurses question and study diastolic murmurs using iPax. (August 16, 2025)

On April 22, a heart murmur quiz will be given. The murmur is associated with a disease that has become increasingly rare in developed countries due to advances in medicine. A characteristic sound is heard at the apex. (April 22, 2025)

How to if token error message appear after successfully registering on iPax or kikuzosound.com

最新記事 - New Posts -

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2. (October 25, 2025)

On October 24, the case features crackles in idiopathic pulmonary fibrosis (IPF) that may be missed during quiet inspiration.　Use iPax to experience the difference between resting and forced inspiration.

On October 23, the case features a hospitalized patient who always keeps the head of the bed elevated.　Consider whether this is simply for comfort or to ease breathing.

On October 22, a quiz focusing on the relationship between respiratory rate and pulse rate was presented.　At rest, there is an approximate relationship of “heart rate = respiratory rate × 4–5.”　When the respiratory rate is increased, a respiratory abnormality should be suspected.

- Comments - コメントをキャンセル

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2. (October 25, 2025)

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2. (October 25, 2025)

10月25日は、心音の基本1音と2音を確認します。1音と2音の音の大きさ、音質、収縮期と拡張期を聴き分けるコツを説明しました。 （2025年10月25日）

関連記事 - Related Posts -

On August 20, we presented a quiz on the systemic findings of idiopathic pulmonary fibrosis. This was a modified excerpt from the Japanese National Medical Licensing Examination (118A05). (August 20, 2025)

On August 16, we will reference a past National Examination for Nurses question and study diastolic murmurs using iPax. (August 16, 2025)

On April 22, a heart murmur quiz will be given. The murmur is associated with a disease that has become increasingly rare in developed countries due to advances in medicine. A characteristic sound is heard at the apex. (April 22, 2025)

How to if token error message appear after successfully registering on iPax or kikuzosound.com

最新記事 - New Posts -

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2. (October 25, 2025)

On October 24, the case features crackles in idiopathic pulmonary fibrosis (IPF) that may be missed during quiet inspiration. Use iPax to experience the difference between resting and forced inspiration.

On October 23, the case features a hospitalized patient who always keeps the head of the bed elevated. Consider whether this is simply for comfort or to ease breathing.

On October 22, a quiz focusing on the relationship between respiratory rate and pulse rate was presented. At rest, there is an approximate relationship of “heart rate = respiratory rate × 4–5.” When the respiratory rate is increased, a respiratory abnormality should be suspected.

- Comments - コメントをキャンセル

On October 25, we reviewed the basics of heart sounds, focusing on the first (S1) and second (S2) sounds. The explanation covered tips on distinguishing the intensity, quality, and timing (systole and diastole) of S1 and S2.
(October 25, 2025)

10月25日は、心音の基本1音と2音を確認します。1音と2音の音の大きさ、音質、収縮期と拡張期を聴き分けるコツを説明しました。
（2025年10月25日）

On October 24, the case features crackles in idiopathic pulmonary fibrosis (IPF) that may be missed during quiet inspiration.　Use iPax to experience the difference between resting and forced inspiration.

On October 23, the case features a hospitalized patient who always keeps the head of the bed elevated.　Consider whether this is simply for comfort or to ease breathing.

On October 22, a quiz focusing on the relationship between respiratory rate and pulse rate was presented.　At rest, there is an approximate relationship of “heart rate = respiratory rate × 4–5.”　When the respiratory rate is increased, a respiratory abnormality should be suspected.