62 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
and Secondary Amenorrhea ... - Differential Diagnosis ... • Ovarian - Normal ... Negative progesterone challenge ... #Differential #Diagnosis
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
prolongation • QT ... antidepressants #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary Amenorrhea ... - Differential Diagnosis ... menstruating Ovarian - Normal ... positive progesterone challenge ... , normal prolactin
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
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
Artery #ECG #EKG #Diagnosis ... #Electrocardiogram ... #Cardiology #Criteria
3 ECG patterns for Acute Occlusion MI (OMI) without meeting ST elevation criteria
 • Posterior MI
meeting ST elevation criteria ... STEMI #equivalent #diagnosis ... #cardiology #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• PR, QRS, and QT ... waves #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Block (RBBB) - EKG Diagnosis ... EKG Criteria: ... Block #RBBB #EKG #Diagnosis ... #ECG #electrocardiogram ... #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... EKG #Checklist #diagnosis ... #cardiology #electrocardiogram
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
TWaves #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology ... #Criteria