390 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... T-wave, the JT interval ... Pacing Prolonged JT interval ... with QRS ≥120 ms ... rachel_klosko #JT #Interval
Colorectal Cancer Screening and Polyp Surveillance Intervals
Colon Cancer Screening - Modality - Interval:
 • Colonoscopy -
Polyp Surveillance Intervals ... Screening - Modality - Interval ... Multitarget DNA stool test ... Polyp Surveillance Intervals ... #Surveillance #Intervals
QT/QTc- Interval
•	Start of Q-wave to end of the T-wave (time of ventricular depolarization + repolarization).
•	Life threatening
QT/QTc- Interval ... Prolonged QT/QTc interval ... boxes then QT interval ... • QT interval ... preceding R-R interval
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• PR interval < ... rhythm) • PR interval ... Atrial Flutter PR Interval ... waves QT/QTC Interval ... : • QT interval
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... McMurray #Drawer #Test ... #msk
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Piriformis Test ... (FAIR Test - Flexion ... Adduction, and Internal ... is a positive test ... #physicalexam #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... after cross-arm test ... Diagnosis #Algorithm #MSK
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
and prolongs PR interval ... • Prolongs QT interval ... and prolongs PR interval
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(constant R-R Interval ... (variable R-R interval ... (constant R-R Interval ... (variable R-R interval
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... normal • The PP intervals ... • The P to P interval ... shorter than the intervals