ecg monitoring in anesthesia
DESCRIPTION
ECG Monitoring in Anesthesia. Kasana Raksamani Siriraj Hospital, Mahidol University. ECG, EKG, Electrocardiogram. The ECG is easy to understand The abnormalities happen for a reason. CONSTANT VIGILANCE !!!. The electricity of the heart. What to expect from the ECG. Essential monitor - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: ECG Monitoring in Anesthesia](https://reader033.vdocuments.net/reader033/viewer/2022061501/568152dd550346895dc0fa79/html5/thumbnails/1.jpg)
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ECG, EKG, ECG, EKG, ElectrocardiogramElectrocardiogram
The ECG is easy to understand
The abnormalities happen for a reason
![Page 3: ECG Monitoring in Anesthesia](https://reader033.vdocuments.net/reader033/viewer/2022061501/568152dd550346895dc0fa79/html5/thumbnails/3.jpg)
CONSTANT VIGILANCE !!
!
![Page 4: ECG Monitoring in Anesthesia](https://reader033.vdocuments.net/reader033/viewer/2022061501/568152dd550346895dc0fa79/html5/thumbnails/4.jpg)
The electricity of the The electricity of the heartheart
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What to expect from What to expect from the ECGthe ECG
Essential monitor
Rate, rhythm, propagation of the excitation
wave, heart position, muscle hypertrophy,
regional ischemia
NO information about pump function
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3-lead system3-lead system
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Lead Selection• Lead II is the same as
standard lead two as
seen in a 12 lead ECG
.
• It is the most
common monitoring
lead.
• It is not the optimal
monitoring lead.
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Lead Selection
• V5 = the best lead
to detect ST-T
change
• Move the LA lead
to V5 position
• Monitor lead I
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The shape of the The shape of the ECGECG
PP T
QR S
QR S
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Normal ECGNormal ECG
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ECG interpretationECG interpretation
1. Rate
2. Rhythm
3. Intervals
4. QRS complexes
5. ST segments & T waves
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Abnormal
Normal
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ECG abnormalitiesECG abnormalities
Myocardial ischemia / infarction
arrhythmias
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Myocardial ischemia / Myocardial ischemia / infarctioninfarction
ST depression
(0.1mv)
ST elevation
(0.2mv)
T wave inversion
Abnormal Q
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Myocardial ischemia / Myocardial ischemia / infarctioninfarction
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Condition associated with perioperative dysrhythmias
Electrolyte disturbances (hypokalemia, hypocalcemia, hypomagnesemia)
Hypothermia
Medications such as digitalis, theophylline, anesthetic agents
Metabolic alkalosis
Presence of indwelling central venous or pulmonary artery catheters
Sympathetic stimulation (hypoxia, hypercarbia, surgical or anesthetic stimulation)
Parasympathetic stimulation (distention of bladder or bowel)
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BradyarrhythmiasBradyarrhythmias
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Bradyarrhythmias Bradyarrhythmias
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BradyarrhythmiasBradyarrhythmias
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BradyarrhythmiasBradyarrhythmias : 2: 2ndnd degree AVBdegree AVB
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BradyarrhythmiasBradyarrhythmias : 2: 2ndnd degree AVBdegree AVB
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BradyarrhythmiasBradyarrhythmias : 3: 3rdrd degree AVBdegree AVB
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TachyarrhythmiasTachyarrhythmias : : Premature complexesPremature complexes
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TachyarrhythmiasTachyarrhythmias : : Premature complexesPremature complexes
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TachyarrhythmiasTachyarrhythmias
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TachyarrhythmiasTachyarrhythmias
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TachyarrhythmiasTachyarrhythmias
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TachyarrhythmiasTachyarrhythmias
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TachyarrhythmiasTachyarrhythmias
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TachyarrhythmiasTachyarrhythmias
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AsystoleAsystole
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