89 results
Bazett Formula for Calculating QTc on EKG

#Diagnosis #Cardiology #MedStudent #ECG #EKG #Calculation #QTc #Bazett #Formula
Bazett Formula for ... Calculating QTc on EKG ... Cardiology #MedStudent #ECG ... #EKG #Calculation ... #QTc #Bazett #Formula
How to calculate the QTc (Bazett's Formula) 

#Diagnosis #Cardiology #MedStudent #ECG #EKG #Calculation #QTc #Bazett #Formula
QTc (Bazett's Formula ... Cardiology #MedStudent #ECG ... #EKG #Calculation ... #QTc #Bazett #Formula
Coronary Artery Localization on ECG and POCUS

#Coronary #Artery #Localization #ECG #EKG #Electrocardiogram #Echocardiogram #Diagnosis #Cardiology #Map
Localization on ECG ... and POCUS #Coronary ... #Localization #ECG ... #EKG #Electrocardiogram ... Cardiology #Map #POCUS
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the proportion ... Specificity is the proportion ... it has a narrow focus ... Table #PPV #NPV #Formulas
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval is inversely proportional ... rate • Bazett formula ... QTc correction formulas ... Interpretation #ECG
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
Parasystole on EKG ... the parasystolic focus ... #Parasystole #EKG ... #ECG #electrocardiogram
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
Hyperkalemia Typical ECG ... Bradycardia out of proportion
Chest pain, good story, but nonspecific ECG? Do a bedside echo: regional WMAs support your case
but nonspecific ECG ... Clinical #Diagnosis #POCUS
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
– screening): proportion ... confirmatory): proportion ... PPV: proportion ... NPV: proportion ... Biostatistics #formulas
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... Diagnosis #Cardiology #ECG ... #EKG