11 results
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
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
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
PCWP • Exam: ↓ JVP ... PCWP • Exam: ↑ JVP ... PCWP • Exam: ↑ JVP ... PCWP • Exam: ↓ JVP ... #Diagnosis #table
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Diagnosis - Absent ... Atrioventricular dissociation ... - Large cv waves ... Jugular #Waveforms #JVP ... #Differential #
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... pulmonary venous flow, Vp ... #Diagnosis #Cardiology ... Grades #Criteria #Table
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
gene encoding AVP-NPII ... Metabolic causes (e.g ... disease, Drugs (e.g ... Types #Nephrology #Diagnosis ... #Differential
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... obstruction - Able ... abdominal pain: diagnoses ... renal stones IVP ... tumors) - Limited IVP
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP ... Jonesy_MA #Shock #Diagnosis
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
auscultation, JVD ... ECG is vital while ... #diagnosis #differential ... #algorithm #management ... cardiology #treatment #table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... heparinized tube) • ECG ... bradycardia → sine wave ... Elimination (see Table ... hypertonic Amp IVP