12 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
Causes of Dyspnea by System #Diagnosis #EM #IM #PCC #Dyspnea #ShortnessOfBreath #Differential #Algorithm #Ddxof
Causes of Dyspnea ... System #Diagnosis #EM ... #IM #PCC #Dyspnea ... #Differential #Algorithm
Pulmonary and Non-Pulmonary Causes of ARDS #Diagnosis #EM #PCC #ARDS #Differential #Algorithm #Pulmonary #NonPulmonary #Causes #Ddxof
Non-Pulmonary Causes ... ARDS #Diagnosis #EM ... #PCC #ARDS #Differential ... #Algorithm #Pulmonary ... #NonPulmonary #Causes
Algorithm and Causes of an Elevated Hemidiaphragm #Diagnosis #Radiology #EM #IM #PCC #Elevated #Hemidiaphragm #ElevatedHemidiaphragm #Diaphragm
Algorithm and Causes ... Diagnosis #Radiology #EM ... #IM #PCC #Elevated ... #Differential #Algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... block 1º - long PR ... 200ms from longer pause ... 2º - Mobitz I ... successively longer PR
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... Block Type I aka Mobitz ... Block type II (aka Mobitz ... There is constant PR ... • The PR interval
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis Algorithm ... Polycythemia - Acquired Causes ... Paraneoplastic (e.g ... ., RCC, HCC, uterine ... Differential #Diagnosis #Algorithm
The algorithm below shows how pre-test probability could be combined with various criteria to determine which
The algorithm below ... probably much higher (e.g ... -HSV-PCR is generally ... awaiting an HSV PCR ... would cause harm