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| *If the paper speed is 25 mm/second, there will be 1500 mm/minute, thus the heart rate is 1500 ÷ distance between two complexes. | | *If the paper speed is 25 mm/second, there will be 1500 mm/minute, thus the heart rate is 1500 ÷ distance between two complexes. |
| *Using the formula in this case, the heart rate is estimated to be 100 beats per minute. | | *Using the formula in this case, the heart rate is estimated to be 100 beats per minute. |
− | |l1= | + | |l1=ECG |
| |q2=Is the heart rate regular? | | |q2=Is the heart rate regular? |
| |a2= | | |a2= |
| Yes, the heart rate is very regular. | | Yes, the heart rate is very regular. |
− | |l2= | + | |l2=ECG |
| |q3=Describe the complexes present. | | |q3=Describe the complexes present. |
| |a3= | | |a3= |
| There are no visible P waves and the QRS complexes are wider than they should be (around 0.06 seconds; normal QRS duration is <0.04 seconds). <br><br> | | There are no visible P waves and the QRS complexes are wider than they should be (around 0.06 seconds; normal QRS duration is <0.04 seconds). <br><br> |
| It is also important to check the traces from other leads for presence of P waves. | | It is also important to check the traces from other leads for presence of P waves. |
− | |l3= | + | |l3=Atrial Strandstill |
| |q4=What is your assessment of this ECG? | | |q4=What is your assessment of this ECG? |
| |a4= | | |a4= |
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| Escape rhythms are characterized by their slow rate and wide QRS complexes and they occur when the normal pacemaker tissue fails to discharge for a prolonged period. <br><br> | | Escape rhythms are characterized by their slow rate and wide QRS complexes and they occur when the normal pacemaker tissue fails to discharge for a prolonged period. <br><br> |
| Ventricular escape rhythms originating in the tissues closest to the atrioventricular node (junctional escape complexes) appear most like normal QRS complexes, as in this example. | | Ventricular escape rhythms originating in the tissues closest to the atrioventricular node (junctional escape complexes) appear most like normal QRS complexes, as in this example. |
− | |l4= | + | |l4=Atrial Standstill |
| </FlashCard> | | </FlashCard> |
| | | |