20 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR ... electrocardiogram (ECG ... QRS complex, the PR ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR ... electrocardiogram (ECG ... QRS complex, the PR ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
characterized on a surface ECG ... not preceded by PR ... not followed by PR ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Lung Ultrasound for Diagnosing Pneumonia - Scan through 6 zones (3 per side) 1. Midclavicular line
Lung Ultrasound ... for Diagnosing Pneumonia ... through 6 zones (3 per ... #Peds #EM #PICU ... Technique #Zones #ALiEM
Horizontal reverberation artifacts - A-lines are visualized as hyperechoic, horizontal artifacts at regular intervals deep to
the near field #Clinical ... #EM #Radiology ... #PCC #POCUS #Lung ... #ALines #ALiEM
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
Diagnostic approach ... Chest X-ray - Lung ... Nasopharyngeal PCR ... as clinically indicated ... , EKG) Dr.
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
complexes >120 ms ... from 50-110 beats per ... #Rhythm #AIVR #diagnosis ... #cardiology #EKG ... #clinical
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
AV block 1º - long ... PR intervals >120 ... 3, etc.) 2º - Mobitz ... II / Mobitz - , ... #EKG #diagnosis
Pleural effusion visualized as an anechoic fluid collection located cephalad to the arrows. #Clinical #EM #Radiology
#Clinical #EM #Radiology ... #PCC #POCUS #Lung ... PleuralEffusion #ALiEM
A lobar consolidation located cephalad to the diaphragm. The branching, hyperechoic air bronchograms define this consolidation.
#Clinical #EM #Radiology ... #PCC #POCUS #Lung ... Sagittal #Pneumonia #ALiEM