84 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... than prolonged QT ... Interval #JTInterval #QTc ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... interval that is not clinically ... prolongation of the QTC ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Managing side effects of birth control

Adverse effects associated with hormonal contraceptives (e.g. headache, breakthrough bleeding, etc)
contraceptives (e.g ... breakthrough bleeding, etc ... continuous use (e.g ... progestin component, etc ... medications #obgyn #table
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Dobutamine 2-20 mcg ... Epinephrine 0-20 mcg ... Internet Book of Critical ... Vasopressors #Properties #Table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Coverage of common antibiotics used in the hospital

For empiric coverage, first define the type of infection,
prior resistance. e.g ... ESBL, KPC, VRE. etc ... pharmacology #table
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Raynaud, migraine, etc ... Pathophysiology: ... changes on tele/ECG
In general, we expand antibiotics too soon in cellulitis, as clinical response (e.g. reduction in edema/erythema,
cellulitis, as clinical ... response (e.g. ... source control (e.g ... alternative diagnosis (e.g ... drug reaction, etc