6 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... sign! ... #Sign
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... indistinguishable from ... #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... Interpretation #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... junctional tachy not from ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Diagnosis Approach ... antihypertensive agents from ... hypertension and signs ... renal bruit or signs ... Coarctation of aorta
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Enteroviruses (e.g ... parenchymatous (tabes ... Acute meningeal signs ... bacterial from