18 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
- Differential ... Diagnosis Algorithm ... • Ovarian - Normal ... Negative progesterone challenge ... #Differential #
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary Amenorrhea ... - Differential ... Diagnosis Algorithm ... , normal prolactin ... #Differential #
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
prolongation • QT ... antidepressants #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... EKG #Checklist #diagnosis ... #cardiology #electrocardiogram ... #differential
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
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... Normal variants ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
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
Arrhythmias - Differential ... Diagnosis Algorithm ... Escape Rhythm Abnormal ... setting of long QT ... tachyarrhythmias #Cardiology