76 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... Pro-Arrhythmic Risk ... was a stronger risk ... pathophysiology #ekg ... #ecg #cardiology
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... prolong the QT interval ... Diagnosis #Cardiology #ECG ... #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• PR interval < ... rhythm) • PR interval ... : • QT interval ... with increased risk ... Interpretation #ECG
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Hypokalemia Consider risk ... arrhythmia: - EKG ... their validity (e.g ... clinical context & EKG ... to reduce the risk
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
metabolic equivalent able ... event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: ... Stable patients
IDSA Algorithm for the Initial Management of Fever and Neutropenia

LOW RISK
 • Antidpated neutropenia < 7
IDSA Algorithm for ... Neutropenia LOW RISK ... and clinically stable ... comorbidities HIGH RISK ... #fever #IDSA #Algorithm
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
or high (5-7) risk ... TIMI low (1-2) risk ... , +ECG changes or ... Rx: NSTEMI/UA: stable ... TIMI low (1-2) risk
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT intervals ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Endoscopy in Barrett's Esophagus - Scoping Summary
- What we need to know?
   • Risk
Risk Factors ... Follow-up • ACG ... diagnosis #management #algorithm
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
ACS Evaluation Algorithm ... Algorithm that ... 2.6) - Cardiac risk ... - History - EKG ... findings - Age - Risk