9 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 ... #PhysicalExam #JVP ... #Frog #Sign
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... atrial activation from ... SVT (e.g., junctional ... #AWaves #diagnosis ... #cardiology #CVP
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... junctional tachy not from ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #differential
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... Non-contrast CT ... Limited value: cannot ... stones #calculus #Radiology ... #Diagnosis
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
O2, Monitors, ECG ... worsening brady, Signs ... <90, AMS, SOB from ... Chest Pain • ECG ... Connect ECG Leads
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... indistinguishable from ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... /Afib/WPW) • Loss ... #Differential #
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
Signs of poor perfusion ... Signs of congestion ... auscultation, JVD ... ECG is vital while ... #diagnosis #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

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