4666 results
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... defined as >100 mm ... outcomes in CKD Differential ... Pulse #Pressure #Differential ... Pathophysiology #causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
elevation > 1.5 mm ... ST elevation: Differential ... diagnosis #ekg #differential ... #cardiology
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
pressure (~100 mm ... highest on my differential ... Fingernails #Nailbed #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
downgoing ST or 1 mm ... electrocardiogram #cardiology ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
often with 1-2 mm ... EKG #diagnosis #differential ... #cardiology #electrocardiogram
Right Heart Catheterization Waveforms and Pressures
Right Atrial Pressure:
 • Mean: 1-5 mm Hg
Right Ventricular Pressure:
 •
• Mean: 1-5 mm ... Systolic: 15-30 mm ... Diastolic: 1-7 mm ... Systolic: 15-30 mm ... wedge #diagnosis #cardiology
Left Ventricular Hypertrophy (LVH) Criteria
• Sokolow + Lyon 
 - S V1 + R V5 or
V5 or V6 > 35 mm ... V3 + R avl > 28 mm ... V3 + R avl > 20 mm ... - S V1-3 > 25 mm ... Hypertrophy #ECG #EKG #Cardiology
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
elevation ≥ 1 mm ... depression ≥ 1 mm ... elevation ≥ 5 mm ... #Diagnosis #Cardiology
LVOT measurement
1. PLX view zoom mode
2. Measure within 5 mm to 10 mm from aortic annulus
Measure within 5 mm ... to 10 mm from aortic ... outflowtract #diagnosis #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Marantic (NTBE) Differential ... therapy • >10-mm ... diagnosis #management #cardiology