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Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Absent a wave ... - Flutter waves ... - Prominent a waves ... block - Large a waves ... - Large cv waves
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #Neck #Frog #Sign
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... against a closed tricuspid ... • The cannon a wave ... 2LmUODZ #Cannon #AWaves ... #CVP
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... overdose: Prominent R wave ... findings: Sinus ... prominent terminal R wave ... ddx: AVNRT, AVRT
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
findings in acute ... other causes of cardio-pulmonary ... Drive: • Sinus Tachycardia ... • Dominant R Wave ... Embolism #AcutePE #diagnosis
Cardiac Findings in Sarcoidosis
Most Commonly Affected Sites:
 - LV free wall (esp. basal posterior wall)
 -
Cardiac Findings ... - Mitral or tricuspid ... - Effusion ECG ... - Abnormal a-wave ... #Cardiac #Findings
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
PCWP]/CO) ● Cardiac ... diastole) ● c wave ... closure of the tricuspid ... ● v wave: ventricular ... Interpretation #Diagnosis
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... 300 = NSVT EKG ... Findings: • Broad ... No associated P-wave ... , and the T-wave
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
heparinized tube) • ECG ... bradycardia → sine wave ... line, stabilizes cardiac ... Monitor for tachycardia ... hypertonic Amp IVP