5840 results
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
Always interpret a RHC ... Catheterization #RHC ... #diagnosis #pulmonary
Right Heart Catheterization Waveforms and Pressures
Right Atrial Pressure:
 • Mean: 1-5 mm Hg
Right Ventricular Pressure:
 •
Catheterization #RHC ... normal #wedge #diagnosis
Right Heart Cath - Normal Cardiac Pressures

Right Atrial Pressure (RAP) or Central Venous Pressure (CVP)
 •
Cardiac #Pressures #RHC ... #cardiology #diagnosis
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
Visualmed #RHC ... Interpretation #Diagnosis
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Sent for RHC to ... AorticRegurgitation #Diagnosis
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Catheterization #RHC ... artery #catheter #diagnosis
Pathologic Red Blood Cell (RBC) Morphologies and Associated Diseases

Acanthocyte (spur cell),  
Basophilic stippling, 
Bite cell,
Red Blood Cell (RBC ... cell, Other RBC ... Howell-Jolly bodies #RBC ... Pathology #Hematology #Diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... Morphology Microcytic RBC ... Bite Cell RBC: G6PD ... Red #BloodCell #RBC ... #differential #diagnosis
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential Diagnosis ... • Extrinsic RBC ... • Intrinsic RBC ... #Differential #Diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... RBCs Decreased RBC ... Thalassemia • RBC ... Disorder • RBC ... #Differential #Diagnosis