11 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
- Differential Diagnosis ... Algorithm Primary ... • Ovarian - Normal ... Negative progesterone challenge ... #Algorithm #Causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary Amenorrhea ... - Differential Diagnosis ... Algorithm Absence ... , normal prolactin ... #Algorithm #Causes
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
prolongation • QT ... antidepressants #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... Only works at normal ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
- ECG Diagnosis ... SinusRhythm #nsr #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #criteria
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... : ↑ca - Long QT ... Approach #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
T Waves: • Normal ... V1 (Invert III normal ... Rule of thumb: a normal ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Algorithm Bradyarrhythmia ... Escape Rhythm Abnormal ... setting of long QT ... tachyarrhythmias #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
captured beats (normal ... Brugada algorithm ... Morphology criteria ... Aberrancy #Comparison #Diagnosis ... #Cardiology
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... is considered abnormal ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram