23 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Diagnosis Algorithm ... • Burns • Diarrhea ... 90%, Abnormal Abdominal ... Ultrasound High
Intraabdominal Abscess on POCUS

RUSH exam for fever, hypotension, abd pain.  You notice this in RUQ.
on POCUS RUSH ... Diagnosis? ... Answer: Large intra-abdominal ... See CT scan. ... #POCUS #ultrasound
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Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... Osmotic diuresis (see ... loss • Watery Diarrhea ... #Causes
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... • Vomiting, diarrhea ... • Splenomegaly/Abscess ... #Differential #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Diagnosis Framework ... Necrotizing PNA, Abscess ... Goodpasture's, SLE ... #Diagnosis #pulmonary ... #causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura in severe cases ... #differential # ... diagnosis #signs ... #Lung #POCUS #ultrasound
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... infection • Abdominal ... • Diarrhea - ... #diagnosis #tropical
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Diagnosis Framework ... Hyperkalemia Pulmonary ... Endocarditis + Abscess ... Autoimmune: • SLE ... #diagnosis #causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
• Autoimmune (SLE ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... liver enzymes, diarrhea ... , abdominal pain ... Diagnosis Of NTM ... NTM #Infections #differential