7 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 ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
gene encoding AVP-NPII ... metastases, Infection (e.g ... Metabolic causes (e.g ... disease, Drugs (e.g ... #Differential
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP ... Management #Summary #criticalcare ... #treatment #workup
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , bradycardia, arrhythmias ... heparinized tube) • ECG ... dose PRN (ongoing arrhythmia ... hypertonic Amp IVP
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
syndromes (e.g. ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... more intensive treatment ... #differential #
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
auscultation, JVD ... ECG is vital while ... & Dry) is the treatment ... #diagnosis #differential ... heartfailure #chf #criticalcare