34 results
QT/QTc- Interval
•	Start of Q-wave to end of the T-wave (time of ventricular depolarization + repolarization).
•	Life threatening
QT/QTc- Interval ... /QTc interval may ... intervals are seen ... start of the QRS complex ... • QT interval
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... • A PAC will ... have a PR interval ... premature junctional complex ... premature #atrial #complexes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... bpm) - Narrow Complex ... (constant R-R Interval ... setting of long QT ... Differential #Diagnosis #Algorithm
Pleural Effusion - Workup, Diagnostic Algorithm #Diagnosis #EM #IM #PCC #Pleural #Effusion #Transudative #Exudative #Differential #Algorithm
Workup, Diagnostic Algorithm ... #Diagnosis #EM ... #IM #PCC #Pleural ... #Differential #Algorithm
Causes of Dyspnea by System #Diagnosis #EM #IM #PCC #Dyspnea #ShortnessOfBreath #Differential #Algorithm #Ddxof
System #Diagnosis #EM ... #IM #PCC #Dyspnea ... #Differential #Algorithm
Algorithm and Causes of an Elevated Hemidiaphragm #Diagnosis #Radiology #EM #IM #PCC #Elevated #Hemidiaphragm #ElevatedHemidiaphragm #Diaphragm
Algorithm and Causes ... Diagnosis #Radiology #EM ... #IM #PCC #Elevated ... #Differential #Algorithm
Pulmonary and Non-Pulmonary Causes of ARDS #Diagnosis #EM #PCC #ARDS #Differential #Algorithm #Pulmonary #NonPulmonary #Causes #Ddxof
ARDS #Diagnosis #EM ... #PCC #ARDS #Differential ... #Algorithm #Pulmonary
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Lose P • 3° Complete ... through) QRS Complex ... of depth of QRS complex ... • QT interval is ... formula: QTC = QT
Torsades de Pointes (TdP): Pathogenesis and Clinical Findings

Polymorphic ventricular tachycardia initiated by PVC in the setting
tachycardia initiated by PVC ... the setting of QT ... interval prolongation
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
• Widens QRS complex ... and prolongs PR interval ... potential • Prolongs QT ... interval Class ... and prolongs PR interval