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cardiology differential ekg management electrocardiogram medications causes treatment comparison toxicology checklist clinical algorithm criticalcare druginduced interval measurement mnemonic prolongation drug
Want to remember what drugs prolong the QT interval? Remember COLLAPSE - Kitty Canavan @KathrynCanavan1 #Diagnosis #Peds
remember what drugs ... prolong the QT ... KathrynCanavan1 #Diagnosis ... COLLAPSE #Mnemonic #QTc
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
Precipitated by drugs ... that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
QT / QTc Interval Measurement in Wide QRS Complex - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... WideQRS #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Normal QT Interval Measurement General rule: QT interval should be < 1/2 RR interval -
Normal QT Interval ... General rule: QT ... = QT / Sqrt(RR) ... Measurement #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Hypothermia on EKG • J (Osborn) waves • PR, QRS, and QT prolongation • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... #cardiology #diagnosis
ECG Cheat Sheet ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... ECG rapid view ... typically read an ECG ... Intervals (PR, QRS, QT ... Electrocardiogram #Diagnosis
QT / QTc Interval Measurement in Irregular Rhythms 2 Approaches: • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... for the QT intervals ... EricsMedicalLectures/ #QT ... Rhythm #cardiology #diagnosis
EKG Interpretation Cheat Sheet 1) Rate - Regular - Count-Off - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... Electrocardiogram #cardiology #diagnosis
Approach to ECGs - Syncope Syndromes Electrolytes • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... -500ms) Short QT ... #diagnosis #cardiology
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
precipitated by drugs ... that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
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