8 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... EKG of the same ... excludes other differentials ... #PhysicalExam #JVP ... #Cardiology #Neck
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Narrow - Regular ... 3 different P waves ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... than QRS - deWinter ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Algorithm ECG ... injury, etc) ECG ... (peaked T waves, ... PR, wide QRS, bradycardia ... Dose: 5 units regular
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
palpitations, bradycardia ... heparinized tube) • ECG ... QRS intervals, bradycardia ... → sine wave → PEA ... hypertonic Amp IVP
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... in the chest or neck ... exam • 12-lead ECG ... • Rapid and regular ... Valvular disease (e.g
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Neck: “dropping ... life-threatening Differential ... Serologic and EMG ... stimulation - Single fiber ... - Symptomatic Treatment