14 results
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Here’s a great ECG ... @EM_RESUS #AVRT ... #Tachycardia #EKG ... #Cardiology #EKG ... #Clinical
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
point (negative in aVR ... This EKG was recorded ... #EKG #EmergencyMedicine ... Electrocardiogram #ECG ... #Clinical
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
or AVRT - Observe ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Treatment #management #cardiology
Hyperkalemia with Peaked T waves on ECG

These are the classic peaked T-waves of Hyperkalemia. Notice how
Peaked T waves on ECG ... to a baseline ECG ... #Hyperkalemia #ECG ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Resistance, Main Uses ... Book of Critical ... Vasopressors #Properties #Table ... Effect #Management #Comparison
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
A waves during AVNRT ... EKG of the same ... to diagnose the case ... that’s called “clinical ... PhysicalExam #JVP #Cardiology
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... Vasopressors #Inotropes #comparison ... #table #pharmacology ... #criticalcare
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... 85% of predicted value ... production to cause ... arrythmias Diagnostics: EKG ... Stress #Testing #cardiology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
values. 3. ... risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... obstruction - Able ... identify non-calculus causes ... MRI - Limited value ... for non-calculus causes