15 results
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
tachycardia • QRS ... prolongation • QT ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
DANGER - Short QT ... : ↑ca - Long QT ... #EKG #diagnosis ... electrocardiogram #cardiology ... #interpretation
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
Intervals (PR, QRS ... , QT), segments, ... infarction #ECG ... Electrocardiogram #Diagnosis ... #Reference #Interpretation
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... Measurement #WideQRS #cardiology ... #diagnosis #ecg
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... #cardiology #diagnosis
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... waves • PR, QRS ... , and QT prolongation ... #ECG #electrocardiogram ... #cardiology #diagnosis
Hyperkaelemia ECG Features - With mild to moderate hyperkalemia, there is reduction of the size of
Hyperkaelemia ECG ... widening of the QRS ... #Diagnosis #Cardiology ... #MedStudent #EKG ... #Progression #Criteria
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
the pointes" • QRS ... that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... to 10.0 mEq/L, QRS ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table