2292 results
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Sent for RHC to ... highest on my differential
Hemolytic Anemias - Differential Diagnosis Algorithm

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

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Approach to Anemia - Differential ... RBCs Decreased RBC ... Thalassemia • RBC ... Disorder • RBC ... Classification #Approach #Differential
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
The differential ... : • Abnormal RBC ... Xerocytosis • RBC ... Elevated #MCHC #Differential
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
== Decreased RBC ... Glucose Content • RBC ... Reduction == Increase RBC ... Dilutional Effect • RBC ... Diagnosis #DM2 #Differential
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... ischemia-induced RBC ... hemolysis) • RBC ... #Hyperkalemia #Differential
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 ... #Morphology #differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... 2) External (RBC ... 3) Internal (RBC ... #Hemolysis #Differential
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... dysmorphic RBC’s, RBC ... #Macroscopic #Differential
Comparison of Causes of Salt-Wasting in Infancy
 - PHA 1
 - PHA 3
 - 21-OH CAH
CAH - X-Linked AHC ... Comparison #Causes #differential