7 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
/pacer - QTc ... DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... quridine) Class IC ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
in wide QRS on EKG ... results in prolonged QT ... on EKG • Increasing ... #Pharmacology #Agents ... #Cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Avoid AV nodal agents ... (e.g., diltiazem ... - Consider antiarrhythmics ... Treatment #management #cardiology ... #algorithm
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
nodal blocking agents ... Control rate (e.g ... with caution in pulmonary ... Control rate (e.g ... #algorithm
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: ... days before Pulmonary
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
with presence of pulmonary ... ECG is vital while ... #differential #algorithm ... #treatment #table ... #criticalcare #icu