16 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
Focused Lung Assessment: Transducer positions for the 8 lung zones #EM #Radiology #PCC #POCUS #Focused #Lung
Focused Lung Assessment ... zones #EM #Radiology ... #PCC #POCUS #Focused ... #Lung #Transducer ... #Positioning #ALiEM
Lung Ultrasound for Diagnosing Pneumonia - Scan through 6 zones (3 per side) 1. Midclavicular line
Lung Ultrasound ... through 6 zones (3 per ... Diagnosis #Peds #EM ... #PICU #POCUS #Lung ... Technique #Zones #ALiEM
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... AV block 1º - long ... 3, etc.) 2º - Mobitz ... II / Mobitz - , ... #EKG #diagnosis
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 ... clinically indicated (e.g ... echocardiogram, EKG
Horizontal reverberation artifacts - A-lines are visualized as hyperechoic, horizontal artifacts at regular intervals deep to
field #Clinical #EM ... #Radiology #PCC ... #POCUS #Lung #ALines ... #ALiEM
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... QT via long ST ... wave and short PR ... Syncope #Syndromes #ECG ... #EKG #Checklist
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Intervals - PR ... Short QT <300-360 ms ... : ↑ca - Long QT ... #ECG #EKG #diagnosis