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using the ECG strips below find the Rate: PRI: QRSD: Interpretation: Axis: Rhythm (reg or irreg):- FEE FE i 8 0 i FE EE EF a FE 5 6 Je. EE = 1 EE FE . O 1 1 5 6 2 6 Fe 2] EE EE av] EE 5 EE 5 FE EE EE FE Ec) EE 5 i 6 EE 5 1 Er] 5 «oe 5 EO EE FE EE 5) FE FE EE 5). 7) 5 EE EE 6 ce EE EE ED EE Ee 6 0 FE 5 ET 6 1 FV EE EE EE 5. 6 1 5 6 6 1 1) 5 EE 1 EEE co 5 EE EE 20 DD ee 1 EL Eee i 5 1 EE EE 6 6 5 5 5 5 6 i Ee 5 5 0 EE 5 5 6 6 6 i 5. i a 6 EE EE Ee 5 EEE EEEE EE" ICY EEE EE Eco Ee 5 0 EEF 5 0 6 i 5 FE 6 oF ee 0 i 5 0 FE EF 5 0 5 5 1 EE 5 6 5 FF 6 6 EE EE EE EE i 5 EE EE no En EE EE 5 6 i 5 Ee ee EE 5 4 0 5 6 ED 5 1 i oa 1 6 EF EE EE = co = oe EE 5 EE 2 1 EE 5 FF 5 cm ee ED 5 ED ee EE se 6 5 i ei 5 oe i 5 EE 5 i 5 5 5 6 3 5 vk EE EE Ec cd ED cs cE EE 1 ee oF i 5 6 5 EEC EE 6 FE 0 5 Epo ee EEE CEE EE EE EE EEE EE) EE EEE FE ED EY YM

Question:

using the ECG strips below find the Rate: PRI: QRSD: Interpretation: Axis: Rhythm (reg or irreg):Uploaded ImageUploaded ImageUploaded Image- FEE FE i 8 0 i FE EE EF a FE 5 6 Je. EE = 1 EE FE . O 1 1 5 6 2 6 Fe 2] EE EE av] EE 5 EE 5 FE EE EE FE Ec) EE 5 i 6 EE 5 1 Er] 5 «oe 5 EO EE FE EE 5) FE FE EE 5). 7) 5 EE EE 6 ce EE EE ED EE Ee 6 0 FE 5 ET 6 1 FV EE EE EE 5. 6 1 5 6 6 1 1) 5 EE 1 EEE co 5 EE EE 20 DD ee 1 EL Eee i 5 1 EE EE 6 6 5 5 5 5 6 i Ee 5 5 0 EE 5 5 6 6 6 i 5. i a 6 EE EE Ee 5 EEE EEEE EE" ICY EEE EE Eco Ee 5 0 EEF 5 0 6 i 5 FE 6 oF ee 0 i 5 0 FE EF 5 0 5 5 1 EE 5 6 5 FF 6 6 EE EE EE EE i 5 EE EE no En EE EE 5 6 i 5 Ee ee EE 5 4 0 5 6 ED 5 1 i oa 1 6 EF EE EE = co = oe EE 5 EE 2 1 EE 5 FF 5 cm ee ED 5 ED ee EE se 6 5 i ei 5 oe i 5 EE 5 i 5 5 5 6 3 5 vk EE EE Ec cd ED cs cE EE 1 ee oF i 5 6 5 EEC EE 6 FE 0 5 Epo ee EEE CEE EE EE EE EEE EE) EE EEE FE ED EY YM

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Asked by: Test User 100143
Created at: 2025-05-17 10:07:40

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Let's analyze the three ECG strips: --- ### **Strip #1** #### 1. **Rate:** - Count the number of large squares between two R waves in lead II. - There are about 5 large squares between R-R intervals. - 300/5 = **60 bpm** #### 2. **PRI (PR Interval):** - Normal PR interval is 0.12–0.20 seconds (3-5 small squares). - The PR interval is about 4 small squares = **0.16 seconds** #### 3. **QRS Duration:** - Normal QRS is <0.12 seconds (less than 3 small squares). - The QRS is about 2 small squares = **0.08 seconds** #### 4. **Interpretation:** - **Normal Sinus Rhythm (NSR)** #### 5. **Axis:** - Lead I and aVF are both positive. - **Normal axis** #### 6. **Rhythm (Reg or Irreg):** - **Regular** --- ### **Strip #2** #### 1. **Rate:** - About 3 large squares between R waves. - 300/3 = **100 bpm** #### 2. **PRI:** - About 4 small squares = **0.16 seconds** #### 3. **QRS Duration:** - About 2 small squares = **0.08 seconds** #### 4. **Interpretation:** - **Sinus tachycardia** (since rate > 100 bpm, all else normal) #### 5. **Axis:** - Lead I and aVF positive. - **Normal axis** #### 6. **Rhythm (Reg or Irreg):** - **Regular** --- ### **Strip #3** #### 1. **Rate:** - About 4 large squares between R waves. - 300/4 = **75 bpm** #### 2. **PRI:** - About 3 small squares = **0.12 seconds** #### 3. **QRS Duration:** - About 1-2 small squares = **0.08 seconds** #### 4. **Interpretation:** - **Normal Sinus Rhythm (NSR)** #### 5. **Axis:** - Lead I and aVF positive. - **Normal axis** #### 6. **Rhythm (Reg or Irreg):** - **Regular** --- ### **Summary Table** | Strip | Rate (bpm) | PRI (sec) | QRS (sec) | Interpretation | Axis | Rhythm | |--------|------------|-----------|-----------|----------------------------|-------------|-----------| | **#1** | 60 | 0.16 | 0.08 | Normal Sinus Rhythm (NSR) | Normal | Regular | | **#2** | 100 | 0.16 | 0.08 | Sinus Tachycardia | Normal | Regular | | **#3** | 75 | 0.12 | 0.08 | Normal Sinus Rhythm (NSR) | Normal | Regular | If you need more detail for any strip, let me know!

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