33 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
and Pro-Arrhythmic ... JTc=QTc-QRS When ... #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... interval • "Scooped ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... other causes of cardio-pulmonary ... finding) • Atrial Arrhythmia ... in relation to ECG ... #EKG #Pulmonary
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... Digoxin is a cardiac ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
: - EKG changes ... their validity (e.g ... clinical context & EKG ... patients (including cardiac ... Hypokalemia #Management #CriticalCare
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
interval (QTc < ... associated with cardiac ... arrest and sudden cardiac ... Syndrome #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
Side effects: Arrythmias ... is not desired (e.g ... is not desired (e.g ... Inotropes #comparison #table ... #pharmacology #criticalcare
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... interval, RAD 130 ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
telemetry, 12-Lead EKG ... Tamponade - Pulmonary ... Cardiac surgery? ... Management #Summary #criticalcare ... #treatment #workup
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
, Myocarditis, Arrhythmia ... • Obstructive: Pulmonary ... Pneumothorax, Cardiac ... ) UOP > 0.5 cc/kg ... Differential #Diagnosis #criticalcare