Microsoft Word - Electrocardiogram (ECG) Preventative Maintenance .docx

EQUIPMENT))Electrocardiogram)(ECG))Preventative)Maintenance)
!Preventative!Maintenance!


• Clean&casing&• Clean&electrodes&and&inspect&for&corrosion&or&adhered&debris&after&each&use&• Inspect&insulation&for&defects&and&debris&• Inspect&cables&for&defects,&replace&if&necessary&• If&battery7powered,&regularly&check&batteries&to&prevent&corrosion&• Re7stock&and&refill&ink&and&paper&as&needed&&Electrode!Guide!Proper&Placement&of&12&Lead&ECG&For&the&4&extremity&electrodes&placement:&
• L&or&LA&is&placed&on&the&left&arm&• R&or&RA&is&placed&on&the&right&arm&• N&7&neutral,&on&the&right&leg&(=&electrical&earth,&or&point&zero,&to&which&the&electrical&current&is&measured)&• F&7&foot,&on&the&left&leg&• It&does&not&matter&whether&the&electrodes&are&placed&on&the&bottoms&or&tops&of&extremities,&but&be&consistent.&Place&electrodes&in&similar&spots&on&extremities.&(eg.&do&not&attach&an&electrode&on&the&left&shoulder&and&one&on&the&right&wrist).&Also,&avoid&bony&parts&such&as&elbows&or&knees.&&&&For&the&6&chest&electrodes&placement:&
• V1&is&placed&to&the&right&of&the&sternum&in&the&4th&intercostal&space.&• V2&is&placed&to&the&left&of&the&sternum&in&the&4th&intercostal&space&




• V3&is&placed&between&V2&and&V4&• V4&is&placed&in&the&5th&intercostal&space&on&the&nipple&line.&Place&V4&beneath&the&breast&in&women.&• V5&is&placed&between&V4&and&V6&• V6&is&placed&in&the&midaxillary&line&on&the&same&height&as&V4&on&the&horizontal&line&from&V4&(not&necessarily&in&the&5th&intercostal&space)&&Common&lead&misplacements:&
• Right&and&left&arm&electrode&reversal&• Right&leg&and&right&arm&electrode&reversal&• Left&arm&and&left&leg&electrode&reversal&• Right&arm&and&left&leg&electrode&reversal&• Left&arm&and&right&leg&electrode&reversal&&&&To&make&replacement&ECG&pads:&Materials)1.&Bottle&caps&2.&Nickel7plated&brass&sewing&snap&buttons,&size&3&3.&Flathead&screwdriver&4.&Utility&knife&(boxcutter,&X7Acto&or&another&sharp7bladed,&small&knife)&5.&Pot,&water&and&a&stove&6.&Optional:&tweezers/forceps&Steps)1.&Boil&the&bottle&caps&in&water&for&30&minutes.&2.&Peel&off&the&lining.&Start&the&peel&by&prying&an&edge&off&with&the&screwdriver,&then&carefully&pull&the&rest&out&with&your&fingers&or&with&tweezers&or&forceps.&Take&care&not&to&rip&the&lining&during&this&process.&If&the&lining&is&too&hard&to&remove,&heat&the&cap&in&the&water&again.&3.&Make&an&“X”&in&the&center&of&the&lining,&about&1cm&big.&4.&Insert&a&size73&nickel7plated&brass&sewing&snap&into&it.&5.&Trim&the&tiny&corners&of&plastic&from&the&edge&of&the&button&nub.&To&make&ECG&conductive&gel:&Materials)1.&Water,&one&cup&2.&Salt,&two&tablespoons&3.&Flour,&one&cup&4.&Bleach&Steps)1.&Mix&the&water&and&salt.&2.&Slowly&pour&in&the&flour.&The&mixture&will&become&gelatinous.&Mix&it&until&it&the&consistency&is&the&same.&3.&Add&a&drop&of&bleach&(to&make&the&gel&sterile).&Proper&skin&preparation:&




1. Shave&body&hair&before&application,&if&in&excess.&2. Avoid&placing&electrodes&on&any&burn&or&scar&tissue.&3. Make&sure&electrodes&have&some&sort&of&conductive&gel&between&skin&and&metal&contact.&4. Make&sure&electrode&is&firmly&attached&to&skin.&Apply&tape,&if&necessary.&5. If&steps&174&struggle,&use&a&light&skin&abrasive&such&as&sand&paper.&6. Reapply&conducting&gel&every&couple&of&hours&to&avoid&skin&irritation&and&loss&of&signal.&&




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